Notebookcheck Logo

Intel Core i7-2635QM vs Intel Core 2 Duo P7450 vs Intel Core i7-2637M

Intel Core i7-2635QM

► remove from comparison Intel 2635QM

The Intel Core i7-2635QM is a fast quad core processor for laptops. It is based on the Sandy Bridge architecture and offers Hyperthreading to handle 8 threads at once (for a better usage of the pipeline). Compared to the previous Clarksdale quad-cores, the i7-2635QM is now manufactured in 32nm and offers an integrated graphics card and AES functions. Compared to the faster Core i7, the 2635QM does not support Trusted Execution functions and VT-d (VT-x Virtualization only).

Compared to the Core i7-2630QM, the 2635QM offers a slightly higher Turbo Boost frequency for the GPU (1200MHz versus 1100MHz) and is offered in the BGA Package (2630QM rPGA).

Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most noteable improvements are the new 256Bit AVX instructions, the improved Turbo 2.0 and the integration of the graphics card into the 32nm CPU core. 

Der i7-2635QM offers an integrated graphics card ( Intel HD Graphics 3000) which is clearly faster then the older Intel HD Graphics in the Arrandale CPUs. As the new GPU is included in the CPU, it is also manufactured in 32nm and shares the fast level 3 cache with the CPU cores (using a new ring bus). In the 2635QM it is clocked from 650-1200MHz (Turbo Boost).

Furthermore, an improved dual-channel DDR3 memory controller is included on the CPU die that is used by the CPU and GPU part.

The performance of the Core i7-2635QM should be about 10-15% faster than a similar clocked Clarksfield Core i7 (see first tests by Anandtech). Therefore, the 2635QM should be on a level (or even faster) than a Core i7-920XM Quad-Core.

Intel Core 2 Duo P7450

► remove from comparison

The Intel Core 2 Duo P7450 is a dual core processor for laptops. It features 2.1 GHz and a shared level 2 cache of 3 MB. It is based on the 45nm Penryn core, but Trusted Execution and Virtualization (VT-x) are disabled.

The P7450 uses a Penryn (Montevina Update) core that features 2 integer units, 1 floating point unit, 1 load unit, and 1 store unit in a 14-stages long pipeline. Due to the Wide Dynamic Execution Technology, the core is able to simultaneously execute up to four instructions.

The integrated Enhanced Speedstep is able to downclock the core dynamically as low as 800 MHz to save power (in idle mode).

Intel Core i7-2637M

► remove from comparison

The Intel Core i7-2637M is power efficient ULV (Ultra Low Voltage) processor for thin and light laptops. The base frequency of 1.7 GHz is relatively low, but due to Turbo Boost 2.0, the CPU may clock up to 2.8 GHz (on core loaded, 2.5 GHz with both cores loaded). However, this depends on the cooling and power consumption of the laptop. Due to HyperThreading, the i7-2637M is able to handle 4 threads in parallel. Compared to the slower i7-2617M, the 2637M offers a higher clock speed (processor core and turbo, graphics turbo).

Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most notable improvements is the improved Turbo 2.0 and the integration of the graphics card into the 32nm CPU core. 

The integrated Intel HD Graphics 3000 clocked at 350 or 1200MHz (Turbo Boost). Due to the slower clock rate without the Turbo, compared to HD Graphics 3000 in 35W and 45W processors (usually clocked at 650 base speed in non LV processors), the performance should be noticeable lower.

The performance of the CPU should be a bit higher than a similar clocked Arrandale Core i5. Thanks to the high Turbo Boost frequencies, the performance should be similar to the Core i3-2310M. However, the laptop cooling system has to keep the processor relatively cool for the Turbo Boost to work often.

The TDP of 17W (includes the integrated GPU and memory controller) allows the use of the 2637M CPU in small subnotebooks.

ModelIntel Core i7-2635QMIntel Core 2 Duo P7450Intel Core i7-2637M
SeriesIntel Core i7Intel Core 2 DuoIntel Core i7
CodenameSandy BridgePenrynSandy Bridge
Series: Core i7 Sandy Bridge
Intel Core i7-2960XM2.7 - 3.7 GHz4 / 8 cores8 MB L3
Intel Core i7-2860QM2.5 - 3.6 GHz4 / 8 cores8 MB L3
Intel Core i7-2920XM2.5 - 3.5 GHz4 / 8 cores8 MB L3
Intel Core i7-2760QM2.4 - 3.5 GHz4 / 8 cores6 MB L3
Intel Core i7-2820QM2.3 - 3.4 GHz4 / 8 cores8 MB L3
Intel Core i7-2720QM2.2 - 3.3 GHz4 / 8 cores6 MB L3
Intel Core i7-2675QM2.2 - 3.1 GHz4 / 8 cores6 MB L3
Intel Core i7-2670QM2.2 - 3.1 GHz4 / 8 cores6 MB L3
Intel Core i7-2635QM « 2 - 2.9 GHz4 / 8 cores6 MB L3
Intel Core i7-2630QM2 - 2.9 GHz4 / 8 cores6 MB L3
Intel Core i7-2640M2.8 - 3.5 GHz2 / 4 cores4 MB L3
Intel Core i7-2620M2.7 - 3.4 GHz2 / 4 cores4 MB L3
Intel Core i7-2649M2.3 - 3.2 GHz2 / 4 cores4 MB L3
Intel Core i7-2629M2.1 - 3 GHz2 / 4 cores4 MB L3
Intel Core i7-2677M1.8 - 2.9 GHz2 / 4 cores4 MB L3
Intel Core i7-2637M1.7 - 2.8 GHz2 / 4 cores4 MB L3
Intel Core i7-2657M1.6 - 2.7 GHz2 / 4 cores4 MB L3
Intel Core i7-2617M1.5 - 2.6 GHz2 / 4 cores4 MB L3
Intel Core 2 Duo T99003.06 GHz2 / 2 cores
Intel Core 2 Duo T98002.92 GHz2 / 2 cores
Intel Core 2 Duo P97002.8 GHz2 / 2 cores
Intel Core 2 Duo T96002.8 GHz2 / 2 cores
Intel Core 2 Duo P96002.66 GHz2 / 2 cores
Intel Core 2 Duo T95502.66 GHz2 / 2 cores
Intel Core 2 Duo T95002.6 GHz2 / 2 cores
Intel Core 2 Duo SP96002.53 GHz2 / 2 cores
Intel Core 2 Duo P95002.53 GHz2 / 2 cores
Intel Core 2 Duo T94002.53 GHz2 / 2 cores
Intel Core 2 Duo P88002.66 GHz2 / 2 cores
Intel Core 2 Duo T93002.5 GHz2 / 2 cores
Intel Core 2 Duo P87002.53 GHz2 / 2 cores
Intel Core 2 Duo SP94002.4 GHz2 / 2 cores
Intel Core 2 Duo P86002.4 GHz2 / 2 cores
Intel Core 2 Duo T83002.4 GHz2 / 2 cores
Intel Core 2 Duo SP93002.26 GHz2 / 2 cores
Intel Core 2 Duo P84002.26 GHz2 / 2 cores
Intel Core 2 Duo P75702.26 GHz2 / 2 cores
Intel Core 2 Duo P75502.26 GHz2 / 2 cores
Intel Core 2 Duo T67702.3 GHz2 / 2 cores
Intel Core 2 Duo SL96002.13 GHz2 / 2 cores
Intel Core 2 Duo P7450 « 2.13 GHz2 / 2 cores
Intel Core 2 Duo T66702.2 GHz2 / 2 cores
Intel Core 2 Duo T66002.2 GHz2 / 2 cores
Intel Core 2 Duo T81002.1 GHz2 / 2 cores
Intel Core 2 Duo P73702 GHz2 / 2 cores
Intel Core 2 Duo P73502 GHz2 / 2 cores
Intel Core 2 Duo T65702.1 GHz2 / 2 cores
Intel Core 2 Duo T65002.1 GHz2 / 2 cores
Intel Core 2 Duo SL94001.86 GHz2 / 2 cores
Intel Core 2 Duo SL93801.8 GHz2 / 2 cores
Intel Core 2 Duo T64002 GHz2 / 2 cores
Intel Core 2 Duo SL93001.6 GHz2 / 2 cores
Intel Core 2 Duo SU96001.6 GHz2 / 2 cores
Intel Core 2 Duo SU94001.4 GHz2 / 2 cores
Intel Core 2 Duo SU73001.3 GHz2 / 2 cores
Intel Core 2 Duo SU93001.2 GHz2 / 2 cores
Intel Core i7-2960XM2.7 - 3.7 GHz4 / 8 cores8 MB L3
Intel Core i7-2860QM2.5 - 3.6 GHz4 / 8 cores8 MB L3
Intel Core i7-2920XM2.5 - 3.5 GHz4 / 8 cores8 MB L3
Intel Core i7-2760QM2.4 - 3.5 GHz4 / 8 cores6 MB L3
Intel Core i7-2820QM2.3 - 3.4 GHz4 / 8 cores8 MB L3
Intel Core i7-2720QM2.2 - 3.3 GHz4 / 8 cores6 MB L3
Intel Core i7-2675QM2.2 - 3.1 GHz4 / 8 cores6 MB L3
Intel Core i7-2670QM2.2 - 3.1 GHz4 / 8 cores6 MB L3
Intel Core i7-2635QM2 - 2.9 GHz4 / 8 cores6 MB L3
Intel Core i7-2630QM2 - 2.9 GHz4 / 8 cores6 MB L3
Intel Core i7-2640M2.8 - 3.5 GHz2 / 4 cores4 MB L3
Intel Core i7-2620M2.7 - 3.4 GHz2 / 4 cores4 MB L3
Intel Core i7-2649M2.3 - 3.2 GHz2 / 4 cores4 MB L3
Intel Core i7-2629M2.1 - 3 GHz2 / 4 cores4 MB L3
Intel Core i7-2677M1.8 - 2.9 GHz2 / 4 cores4 MB L3
Intel Core i7-2637M « 1.7 - 2.8 GHz2 / 4 cores4 MB L3
Intel Core i7-2657M1.6 - 2.7 GHz2 / 4 cores4 MB L3
Intel Core i7-2617M1.5 - 2.6 GHz2 / 4 cores4 MB L3
Clock2000 - 2900 MHz2130 MHz1700 - 2800 MHz
L1 Cache256 KB128 KB
L2 Cache1 MB3 MB512 KB
L3 Cache6 MB4 MB
Cores / Threads4 / 82 / 22 / 4
TDP45 Watt25 Watt17 Watt
Transistors995 Million410 Million624 Million
Technology32 nm45 nm, 1.05-1.15V32 nm
Die Size216 mm2107 mm2149 mm2
max. Temp.100 °C90 °C100 °C
SocketFCBGA1224PGA478BGA1023
FeaturesHD Graphics 3000 (650-1200MHz), DDR-1333 Memory Controller, HyperThreading, AVX, Quick Sync, VirtualizationIntel 64, Enhanced Speedstep, Execute Disable BitTurbo Boost 2.0, Hyper-Threading, Virtualization VT-x, Virtualization for Directed I/O (VT-d), Trusted Execution, AES, Intel 64, Anti-Theft, My WiFi, Idle States, Enhanced SpeedStep, Thermal Monitorin, Execute Disable Bit
iGPUIntel HD Graphics 3000 (650 - 1200 MHz)Intel HD Graphics 3000 (350 - 1200 MHz)
Architecturex86x86x86
Announced
Manufacturerark.intel.comark.intel.comark.intel.com
FSB1066
$289 U.S.

Benchmarks

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
100%
1 2637M +
201 Points (1%)
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
100%
1 2637M +
93 Points (28%)
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
100%
1 2635QM +
min: 4.6     avg: 4.7     median: 4.7 (6%)     max: 4.68 Points
48%
1 2637M +
min: 2.19     avg: 2.2     median: 2.2 (3%)     max: 2.25 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
100%
1 2637M +
1.1 Points (27%)
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 3677     avg: 3697     median: 3699 (22%)     max: 3699 Points
min: 2242     avg: 2389     median: 2305.5 (14%)     max: 2575 Points
min: 3529     avg: 3578     median: 3600 (22%)     max: 3605 Points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 13045     avg: 13521     median: 13581 (10%)     max: 13581 Points
min: 4121     avg: 4473     median: 4373 (3%)     max: 4863 Points
min: 7046     avg: 7069     median: 7074 (5%)     max: 7086 Points
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
100%
1 2635QM +
15522 Points (11%)
56%
1 2637M +
min: 8430     avg: 8639     median: 8722 (6%)     max: 8765 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
100%
1 2635QM +
4583 Points (6%)
98%
1 2637M +
min: 4464     avg: 4469     median: 4471 (5%)     max: 4472 Points
wPrime 2.10 - wPrime 2.0 1024m *
486 s (6%)
min: 1230     avg: 1237     median: 1239 (15%)     max: 1243 s
min: 691     avg: 744     median: 765 (9%)     max: 776 s
wPrime 2.10 - wPrime 2.0 32m *
15 s (3%)
min: 35.9     avg: 38     median: 38.6 (8%)     max: 39 s
min: 20.3     avg: 21.2     median: 21.7 (4%)     max: 21.7 s
WinRAR - WinRAR 4.0
100%
1 2637M +
min: 2286     avg: 2325     median: 2324.5 (4%)     max: 2363 Points
X264 HD Benchmark 4.0 - x264 Pass 2
100%
1 2637M +
min: 11.95     avg: 12.1     median: 12.1 (4%)     max: 12.23 fps
X264 HD Benchmark 4.0 - x264 Pass 1
100%
1 2637M +
min: 68.5     avg: 70.1     median: 69.5 (16%)     max: 72.2 fps
TrueCrypt - TrueCrypt Serpent
100%
1 2637M +
min: 0.112     avg: 0.1     median: 0.1 (0%)     max: 0.116 GB/s
TrueCrypt - TrueCrypt Twofish
100%
1 2637M +
min: 0.196     avg: 0.2     median: 0.2 (3%)     max: 0.2 GB/s
TrueCrypt - TrueCrypt AES
100%
1 2637M +
1.2 GB/s (3%)
3DMark 06 - CPU - 3DMark 06 - CPU
4906 Points (10%)
min: 1845     avg: 1896     median: 1900 (4%)     max: 1938 Points
min: 2814     avg: 2836     median: 2834 (6%)     max: 2860 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
14 s (3%)
min: 22     avg: 23.5     median: 23.9 (5%)     max: 25 s
min: 13.7     avg: 14     median: 14 (3%)     max: 14.32 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
31 s (1%)
min: 54     avg: 55.7     median: 55.4 (2%)     max: 59.6 s
min: 31.9     avg: 32.3     median: 32 (1%)     max: 33.02 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
719 s (3%)
min: 1334     avg: 1338     median: 1337.5 (6%)     max: 1341 s
min: 735     avg: 755     median: 758 (3%)     max: 772 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 P7450 +
min: 16477     avg: 18533     median: 19560 (9%)     max: 19563 MIPS
232%
1 2637M +
45450 MIPS (22%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 P7450 +
min: 14460     avg: 14811     median: 14700 (11%)     max: 15272 MFLOPS
203%
1 2637M +
29870 MFLOPS (23%)
PCMark 05 - PCMark 05 - Standard
100%
1 P7450 +
min: 4809     avg: 5158     median: 5055 (10%)     max: 5712 Points
Windows Vista Experience Index - Windows Vista Leistungsindex - Prozessor
100%
1 P7450 +
5.1 Points (73%)
Windows 7 Experience Index - Win7 CPU
7.4 Points (95%)
5.7 Points (73%)
6.9 Points (88%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
16710 Points (15%)
min: 3804     avg: 3918     median: 3918 (3%)     max: 4032 Points
min: 7546     avg: 7733     median: 7552 (7%)     max: 8101 Points
3DMark 11 - 3DM11 Performance Physics
100%
1 2635QM +
5658 Points (15%)
58%
1 2637M +
3258 Points (9%)
3DMark - 3DMark Ice Storm Physics
100%
1 2637M +
27910 Points (23%)
3DMark - 3DMark Ice Storm Unlimited Physics
100%
1 2637M +
29096 Points (25%)
3DMark - 3DMark Cloud Gate Physics
100%
1 2637M +
2382 Points (6%)
3DMark - 3DMark Fire Strike Standard Physics
100%
1 2637M +
3294 Points (6%)
Geekbench 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
100%
1 2637M +
2769 Points (28%)
Geekbench 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
100%
1 2637M +
5048 Points (6%)
Geekbench 4.0 - Geekbench 4.0 64 Bit Single-Core
100%
1 2637M +
2703 Points (37%)
Geekbench 4.0 - Geekbench 4.0 64 Bit Multi-Core
100%
1 2637M +
4800 Points (12%)
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
100%
1 2637M +
4566 Points (8%)
Geekbench 3 - Geekbench 3 32 Bit Single-Core
100%
1 2637M +
2288 Points (45%)
Octane V2 - Octane V2 Total Score
100%
1 2637M +
16640 Points (15%)
Power Consumption - Prime95 Power Consumption - external Monitor *
100%
1 2637M +
29.1 Watt (5%)
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
100%
1 2637M +
30.5 Watt (6%)

Average Benchmarks Intel Core i7-2635QM → 100% n=10

Average Benchmarks Intel Core 2 Duo P7450 → 71% n=10

Average Benchmarks Intel Core i7-2637M → 84% n=10

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

v1.28
log 02. 14:49:45

#0 checking url part for id 1575 +0s ... 0s

#1 checking url part for id 445 +0s ... 0s

#2 checking url part for id 2736 +0s ... 0s

#3 redirected to Ajax server, took 1719924585 +0s ... 0s

#4 did not recreate cache, as it is less than 5 days old! Created at Mon, 01 Jul 2024 05:15:43 +0200 +0s ... 0s

#5 composed specs +0.006s ... 0.007s

#6 did output specs +0s ... 0.007s

#7 getting avg benchmarks for device 1575 +0.001s ... 0.007s

#8 got single benchmarks 1575 +0.005s ... 0.012s

#9 getting avg benchmarks for device 445 +0.001s ... 0.013s

#10 got single benchmarks 445 +0.011s ... 0.024s

#11 getting avg benchmarks for device 2736 +0.001s ... 0.025s

#12 got single benchmarks 2736 +0.012s ... 0.038s

#13 got avg benchmarks for devices +0s ... 0.038s

#14 min, max, avg, median took s +0.032s ... 0.07s

#15 return log +0s ... 0.07s

Please share our article, every link counts!
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2023-07- 1)