AMD A10-7870K | Intel Core i9-7940X | |
CPU comparisonAMD A10-7870K or Intel Core i9-7940X - 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 A10-7870K has 4 cores with 4 threads and clocks with a maximum frequency of 4.10 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A10-7870K was released in Q2/2015. The Intel Core i9-7940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 128 GB of memory in 4 memory channels. The Intel Core i9-7940X was released in Q4/2017. |
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AMD A (112) | Family | Intel Core i9 (78) |
AMD A10-7000 (7) | CPU group | Intel Core i 7000X (9) |
4 | Generation | 7 |
Kaveri (Steamroller) | Architecture | Skylake X |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | Intel Core i9-9940X |
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CPU Cores and Base FrequencyThe AMD A10-7870K has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD A10-7870K is 3.90 GHz (4.10 GHz) while the Intel Core i9-7940X has 14 CPU cores and 28 threads can calculate simultaneously. The clock frequency of the Intel Core i9-7940X is at 3.10 GHz (4.30 GHz). |
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AMD A10-7870K | Characteristic | Intel Core i9-7940X |
4 | Cores | 14 |
4 | Threads | 28 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.90 GHz | Frequency | 3.10 GHz |
4.10 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
4.10 GHz | Turbo Frequency (All Cores) | 3.70 GHz |
Internal GraphicsThe AMD A10-7870K or Intel Core i9-7940X has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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AMD Radeon R7 - 512 (Kaveri) | GPU | no iGPU |
0.86 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
6 | GPU Generation | -- |
28 nm | Technology | |
2 | Max. displays | |
8 | Compute units | -- |
512 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | -- |
12 | DirectX Version | -- |
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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AMD Radeon R7 - 512 (Kaveri) | GPU | no iGPU |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode | Codec h264 | No |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD A10-7870K can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is --. The Intel Core i9-7940X supports up to 128 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 85.4 GB/s. |
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AMD A10-7870K | Characteristic | Intel Core i9-7940X |
DDR3-2133 | Memory | DDR4-2666 |
Max. Memory | 128 GB | |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
-- | Max. Bandwidth | 85.4 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 19.00 MB |
3.0 | PCIe version | 3.0 |
16 | PCIe lanes | 44 |
15.8 GB/s | PCIe Bandwidth | 43.3 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD A10-7870K is 95 W, while the Intel Core i9-7940X has a TDP of 165 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD A10-7870K | Characteristic | Intel Core i9-7940X |
95 W | TDP (PL1 / PBP) | 165 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD A10-7870K is manufactured in 28 nm and has 4.00 MB cache. The Intel Core i9-7940X is manufactured in 14 nm and has a 19.00 MB cache. |
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AMD A10-7870K | Characteristic | Intel Core i9-7940X |
28 nm | Technology | 14 nm |
Unknown | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
FM2+ | Socket | LGA 2066 |
AMD-V | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Linux | |
Q2/2015 | Release date | Q4/2017 |
135 $ | Release price | 1399 $ |
show more data | show more data | |
AMD A10-7870K
4C 4T @ 4.10 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
AMD A10-7870K
4C 4T @ 4.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD A10-7870K
4C 4T @ 4.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD A10-7870K
4C 4T @ 4.10 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
AMD A10-7870K
4C 4T @ 4.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD A10-7870K
4C 4T @ 4.10 GHz |
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Intel Core i9-7940X
14C 28T @ 4.30 GHz |
AMD A10-7870K
4C 4T @ 4.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
AMD A10-7870K
AMD Radeon R7 - 512 (Kaveri) @ 0.86 GHz |
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Intel Core i9-7940X
@ 0.00 GHz |
AMD A10-7870K
4C 4T @ 4.10 GHz |
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Intel Core i9-7940X
14C 28T @ 3.70 GHz |
Devices using this processor |
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AMD A10-7870K | Intel Core i9-7940X |
Unknown | Unknown |