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MagyarApple M3 Pro 12-Core vs AMD Ryzen 9 7840HX
Apple M3 Pro 12-Core
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The Apple M3 Pro (12 Core) is a system on a chip (SoC) from Apple for notebooks that was launched in late 2023. It integrates a new 12-core CPU with 6 performance cores with up to 4.06 GHz and 6 efficiency cores with 2.8 GHz. There is also a slimmed-down 11-core variant with a 14-core GPU.
Compared to the M2 Pro the M3 Pro has been slimmed down somewhat and swaps two performance cores for efficiency cores. This is due to the changed core configuration, as 6 cores are now used per cluster (the M2 Pro and M3 still have 4 cores per cluster). Furthermore, the memory bus has been reduced from 256 bits to 192 bits (150 GB/s vs. 200 GB/s). However, thanks to the new architecture and higher clock rates, the new M3 Pro is still slightly faster.
The M3 Pro also integrates a new graphics card with dynamic caching, mesh shading and ray tracing acceleration via hardware. In the top model, all 18 cores of the chip are used and support up to 3 displays simultaneously (internal and 2 external).
GPU and CPU can jointly access the shared memory on the package (unified memory). This is available in 18 or 36 GB variants and offers 150 GB/s maximum bandwidth (192 bit bus).
The integrated 16-core Neural Engine has also been revised and now offers 18 TOPS peak performance (compared to 15.8 TOPS in the M2 but 35 TOPS in the new A17 Pro). The video engine now also supports AV1 decoding in hardware. H.264, HEVC and ProRes (RAW) can still be decoded and encoded.
Unfortunately, the integrated WLAN only continues to support WiFi 6E (no WiFi 7), unlike the small M3 SoC thunderbolt 4 is also supported (max 40 Gbit/s).
The chip is manufactured in the current 3nm process (N3B) at TSMC and contains 37 billion transistors (-7.5% vs. Apple M2 Pro).
AMD Ryzen 9 7840HX
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The AMD Ryzen 9 7840HX is a high-end notebook processorfrom the Dragon Range series with 12 cores and hyperthreading (SMT), which means it can process up to 24 threads simultaneously. The CPU uses the current Zen 4 architecture for the 12 cores and clocks these from 2.9 GHz (base clock) up to 5.1 GHz (single-core boost). The CPU offers 12 MB L2 cache and 64 MB L3 cache (i.e. a total of 76 MB cache). The 7840X consists of three chiplets, two CCD clusters with a maximum of 8 CPU cores in 5nm (71mm²) and one IO die in 6nm (122mm²) which are all manufactured at TSMC.
The performance of the Ryzen 9 should be significantly faster than the old Ryzen 9 6980HX (top model Rembrandt H, 8 cores, max 5 GHz). This is achieved by the additional cores, higher clock rate and improved architecture. Compared to the one year older Ryzen 9 7845HX, the 7840HX is clocked 100 MHz lower.
The chip also integrates 4x USB 3.2 Gen2 (10 Gbps) ports (no USB 4), 28 PCIe 5.0 lanes (for GPUs and SSDs), a dual-channel DDR5-5200 memory controller and a small AMD Radeon 610M graphics card (2CUs, 400 - 2200 MHz).
The R9 7840HX is specified with 55 watts TDP and can be configured from 45 to 75 watts (cTDP).
| Model | Apple M3 Pro 12-Core | AMD Ryzen 9 7840HX | ||||||||||||||||||||||||||||||||||||||||
| Series | Apple Apple M3 | AMD Dragon Range (Zen 4, Ryzen 7045) | ||||||||||||||||||||||||||||||||||||||||
| Series: Dragon Range (Zen 4, Ryzen 7045) Dragon Range-HX (Zen 4) |
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| Clock | 2748 - 4056 MHz | 2900 - 5100 MHz | ||||||||||||||||||||||||||||||||||||||||
| Cores / Threads | 12 / 12 6 x 4.1 GHz Apple M3 P-Core 6 x 2.7 GHz Apple M3 E-Core | 12 / 24 12 x 5.1 GHz AMD Zen 4 | ||||||||||||||||||||||||||||||||||||||||
| TDP | 27 Watt | 55 Watt | ||||||||||||||||||||||||||||||||||||||||
| Transistors | 37000 Million | 9900 Million | ||||||||||||||||||||||||||||||||||||||||
| Technology | 3 nm | 5 nm | ||||||||||||||||||||||||||||||||||||||||
| Features | ARMv8 Instruction Set | DDR5-5200 RAM, PCIe 5, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | ||||||||||||||||||||||||||||||||||||||||
| iGPU | Apple M3 Pro 18-Core GPU | AMD Radeon 610M (400 - 2200 MHz) | ||||||||||||||||||||||||||||||||||||||||
| Architecture | ARM | x86 | ||||||||||||||||||||||||||||||||||||||||
| Announced | ||||||||||||||||||||||||||||||||||||||||||
| Manufacturer | www.apple.com | www.amd.com | ||||||||||||||||||||||||||||||||||||||||
| Codename | Dragon Range-HX (Zen 4) | |||||||||||||||||||||||||||||||||||||||||
| L1 Cache | 768 KB | |||||||||||||||||||||||||||||||||||||||||
| L2 Cache | 12 MB | |||||||||||||||||||||||||||||||||||||||||
| L3 Cache | 64 MB | |||||||||||||||||||||||||||||||||||||||||
| max. Temp. | 100 °C | |||||||||||||||||||||||||||||||||||||||||
| Socket | FL1 |
- Average benchmark values for this graphics card