AMD Ryzen Threadripper PRO 3975WX | AMD A8-7670K | |
CPU comparisonAMD Ryzen Threadripper PRO 3975WX or AMD A8-7670K - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD Ryzen Threadripper PRO 3975WX has 32 cores with 64 threads and clocks with a maximum frequency of 4.20 GHz. Up to 2048 GB of memory is supported in 8 memory channels. The AMD Ryzen Threadripper PRO 3975WX was released in Q3/2020. The AMD A8-7670K has 4 cores with 4 threads and clocks with a maximum frequency of 3.90 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A8-7670K was released in Q2/2015. |
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AMD Ryzen Threadripper PRO (15) | Family | AMD A (112) |
AMD Ryzen Threadripper PRO 3000 (4) | CPU group | AMD A8-7000 (6) |
3 | Generation | 4 |
Castle Peak (Zen 2) | Architecture | Kaveri (Steamroller) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
AMD Ryzen Threadripper PRO 5975WX | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen Threadripper PRO 3975WX is a 32 core processor with a clock frequency of 3.50 GHz (4.20 GHz). The AMD A8-7670K has 4 CPU cores with a clock frequency of 3.60 GHz (3.90 GHz). |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | AMD A8-7670K |
32 | Cores | 4 |
64 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
Yes | Overclocking ? | Yes |
3.50 GHz | Frequency | 3.60 GHz |
4.20 GHz | Turbo Frequency (1 Core) | 3.90 GHz |
3.75 GHz | Turbo Frequency (All Cores) | 3.90 GHz |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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no iGPU | GPU | AMD Radeon R7 - 384 (Kaveri) |
GPU frequency | 0.76 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 6 |
Technology | 28 nm | |
Max. displays | 2 | |
-- | Compute units | 6 |
-- | Shader | 384 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
-- | DirectX Version | 12 |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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no iGPU | GPU | AMD Radeon R7 - 384 (Kaveri) |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | Decode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen Threadripper PRO 3975WX supports a maximum of 2048 GB of memory in 8 memory channels. The AMD A8-7670K can connect up to GB of memory in 2 memory channels. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | AMD A8-7670K |
DDR4-3200 | Memory | DDR3-2133 |
2048 GB | Max. Memory | |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 34.2 GB/s |
Yes | ECC | Yes |
16.00 MB | L2 Cache | -- |
128.00 MB | L3 Cache | 4.00 MB |
4.0 | PCIe version | 3.0 |
128 | PCIe lanes | 16 |
252.0 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen Threadripper PRO 3975WX has a TDP of 280 W, that of the AMD A8-7670K is 95 W. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | AMD A8-7670K |
280 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen Threadripper PRO 3975WX has a 144.00 MB cache, while the AMD A8-7670K cache has a total of 4.00 MB. |
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AMD Ryzen Threadripper PRO 3975WX | Characteristic | AMD A8-7670K |
7 nm | Technology | 28 nm |
Chiplet | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
WRX8 (sWRX8) | Socket | FM2+ |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | |
Q3/2020 | Release date | Q2/2015 |
2749 $ | Release price | 120 $ |
show more data | show more data | |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 4.20 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
@ 0.00 GHz |
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AMD A8-7670K
AMD Radeon R7 - 384 (Kaveri) @ 0.76 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.75 GHz |
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AMD A8-7670K
4C 4T @ 3.90 GHz |
AMD Ryzen Threadripper PRO 3975WX
32C 64T @ 3.50 GHz |
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AMD A8-7670K
4C 4T @ 3.60 GHz |
Devices using this processor |
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AMD Ryzen Threadripper PRO 3975WX | AMD A8-7670K |
Unknown | Unknown |