Intel Core i9-7940X | AMD Ryzen 5 3400G | |
CPU comparisonIntel Core i9-7940X or AMD Ryzen 5 3400G - 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 Intel Core i9-7940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i9-7940X was released in Q4/2017. The AMD Ryzen 5 3400G has 4 cores with 8 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 5 3400G was released in Q2/2019. |
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Intel Core i9 (78) | Family | AMD Ryzen 5 (86) |
Intel Core i 7000X (9) | CPU group | AMD Ryzen 3000G (8) |
7 | Generation | 2 |
Skylake X | Architecture | Picasso (Zen+) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
Intel Core i9-9940X | Successor | AMD Ryzen 5 4600G |
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CPU Cores and Base FrequencyThe Intel Core i9-7940X has 14 CPU cores and can calculate 28 threads in parallel. The clock frequency of the Intel Core i9-7940X is 3.10 GHz (4.30 GHz) while the AMD Ryzen 5 3400G has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 3400G is at 3.70 GHz (4.20 GHz). |
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Intel Core i9-7940X | Characteristic | AMD Ryzen 5 3400G |
14 | Cores | 4 |
28 | Threads | 8 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | Yes |
3.10 GHz | Frequency | 3.70 GHz |
4.30 GHz | Turbo Frequency (1 Core) | 4.20 GHz |
3.70 GHz | Turbo Frequency (All Cores) | 4.00 GHz |
Integrated graphics (iGPU)The Intel Core i9-7940X or AMD Ryzen 5 3400G 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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no iGPU | GPU | AMD Radeon RX Vega 11 (Raven Ridge) |
GPU frequency | 1.40 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 8 |
Technology | 14 nm | |
Max. displays | 3 | |
-- | Compute units | 11 |
-- | Shader | 704 |
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 RX Vega 11 (Raven Ridge) |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i9-7940X can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.4 GB/s. The AMD Ryzen 5 3400G supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 46.9 GB/s. |
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Intel Core i9-7940X | Characteristic | AMD Ryzen 5 3400G |
DDR4-2666 | Memory | DDR4-2933 |
128 GB | Max. Memory | 64 GB |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
85.4 GB/s | Max. Bandwidth | 46.9 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
19.00 MB | L3 Cache | 4.00 MB |
3.0 | PCIe version | 3.0 |
44 | PCIe lanes | 12 |
43.3 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i9-7940X is 165 W, while the AMD Ryzen 5 3400G has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i9-7940X | Characteristic | AMD Ryzen 5 3400G |
165 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 45 W |
-- | Tjunction max. | 95 °C |
Technical detailsThe Intel Core i9-7940X is manufactured in 14 nm and has 19.00 MB cache. The AMD Ryzen 5 3400G is manufactured in 12 nm and has a 4.00 MB cache. |
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Intel Core i9-7940X | Characteristic | AMD Ryzen 5 3400G |
14 nm | Technology | 12 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
LGA 2066 | Socket | AM4 (PGA 1331) |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q4/2017 | Release date | Q2/2019 |
1399 $ | Release price | 165 $ |
show more data | show more data | |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.20 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.00 GHz |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.20 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.00 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.00 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.00 GHz |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.20 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.00 GHz |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.20 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.00 GHz |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.20 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.00 GHz |
Intel Core i9-7940X
@ 0.00 GHz |
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AMD Ryzen 5 3400G
AMD Radeon RX Vega 11 (Raven Ridge) @ 1.40 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.00 GHz |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 4.20 GHz |
Intel Core i9-7940X
14C 28T @ 3.10 GHz |
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AMD Ryzen 5 3400G
4C 8T @ 3.70 GHz |
Devices using this processor |
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Intel Core i9-7940X | AMD Ryzen 5 3400G |
Unknown | Memory PC mit Ryzen 5 3400G CSL PC mit Ryzen 5 3400G dercomputerladen PC mit Ryzen 5 3400G |