Intel Core i7-3820QM | AMD EPYC 7642 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i7-3820QM and the AMD EPYC 7642 and use benchmarks to check which processor is faster.
We compare the Intel Core i7-3820QM 4 core processor released in Q2/2012 with the AMD EPYC 7642 which has 48 CPU cores and was introduced in Q3/2019. |
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Intel Core i7 Extreme Edition (24) | Family | AMD EPYC (129) |
Intel Core i 3000M (29) | CPU group | AMD EPYC 7002 (24) |
3 | Generation | 2 |
Ivy Bridge H | Architecture | Rome (Zen 2) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | AMD EPYC 7643 |
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CPU Cores and Base FrequencyThe Intel Core i7-3820QM is a 4 core processor with a clock frequency of 2.70 GHz (3.70 GHz). The processor can compute 8 threads at the same time. The AMD EPYC 7642 clocks with 2.30 GHz (3.30 GHz), has 48 CPU cores and can calculate 96 threads in parallel. |
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Intel Core i7-3820QM | Characteristic | AMD EPYC 7642 |
4 | Cores | 48 |
8 | Threads | 96 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
2.70 GHz | Frequency | 2.30 GHz |
3.70 GHz | Turbo Frequency (1 Core) | 3.30 GHz |
-- | Turbo Frequency (All Cores) | 2.80 GHz |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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Intel HD Graphics 4000 | GPU | no iGPU |
0.65 GHz | GPU frequency | -- |
1.25 GHz | GPU (Turbo) | -- |
7 | GPU Generation | -- |
22 nm | Technology | |
3 | Max. displays | |
16 | Compute units | -- |
128 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | -- |
11.0 | 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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Intel HD Graphics 4000 | GPU | no iGPU |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode | Codec JPEG | No |
Memory & PCIeUp to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-3820QM, while the AMD EPYC 7642 supports a maximum of GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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Intel Core i7-3820QM | Characteristic | AMD EPYC 7642 |
DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 | Memory | DDR4-3200 |
32 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
25.6 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
8.00 MB | L3 Cache | 256.00 MB |
3.0 | PCIe version | 4.0 |
16 | PCIe lanes | 128 |
15.8 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe Intel Core i7-3820QM has a TDP of 45 W. The TDP of the AMD EPYC 7642 is 225 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i7-3820QM | Characteristic | AMD EPYC 7642 |
45 W | TDP (PL1 / PBP) | 225 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
105 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i7-3820QM has 8.00 MB cache and is manufactured in 22 nm. The cache of AMD EPYC 7642 is at 256.00 MB. The processor is manufactured in 7 nm. |
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Intel Core i7-3820QM | Characteristic | AMD EPYC 7642 |
22 nm | Technology | 7 nm |
Monolithic | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
BGA 1224 | Socket | SP3 |
VT-x, VT-x EPT | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2012 | Release date | Q3/2019 |
568 $ | Release price | 8000 $ |
show more data | show more data | |
Intel Core i7-3820QM
4C 8T @ 3.70 GHz |
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AMD EPYC 7642
48C 96T @ 3.30 GHz |
Intel Core i7-3820QM
4C 8T @ 2.70 GHz |
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AMD EPYC 7642
48C 96T @ 2.80 GHz |
Intel Core i7-3820QM
4C 8T @ 3.70 GHz |
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AMD EPYC 7642
48C 96T @ 3.30 GHz |
Intel Core i7-3820QM
4C 8T @ 2.70 GHz |
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AMD EPYC 7642
48C 96T @ 2.80 GHz |
Intel Core i7-3820QM
4C 8T @ 2.70 GHz |
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AMD EPYC 7642
48C 96T @ 2.80 GHz |
Intel Core i7-3820QM
4C 8T @ 3.70 GHz |
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AMD EPYC 7642
48C 96T @ 3.30 GHz |
Intel Core i7-3820QM
Intel HD Graphics 4000 @ 1.25 GHz |
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AMD EPYC 7642
@ 0.00 GHz |
Intel Core i7-3820QM
4C 8T @ 2.70 GHz |
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AMD EPYC 7642
48C 96T @ 2.30 GHz |
Devices using this processor |
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Intel Core i7-3820QM | AMD EPYC 7642 |
Unknown | Unknown |