Intel Xeon E5-2643 v4 | Intel Core i9-11900KB | |
CPU comparisonIn this CPU comparison, we compare the Intel Xeon E5-2643 v4 and the Intel Core i9-11900KB and use benchmarks to check which processor is faster.
We compare the Intel Xeon E5-2643 v4 6 core processor released in Q1/2016 with the Intel Core i9-11900KB which has 8 CPU cores and was introduced in Q2/2021. |
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Intel Xeon E5 (71) | Family | Intel Core i9 (78) |
Intel Xeon E5 v4 (24) | CPU group | Intel Core i 11000H (17) |
6 | Generation | 11 |
Broadwell E | Architecture | Tiger Lake H |
Desktop / Server | Segment | Mobile |
Intel Xeon E5-2643 v3 | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon E5-2643 v4 is a 6 core processor with a clock frequency of 3.40 GHz (3.70 GHz). The processor can compute 12 threads at the same time. The Intel Core i9-11900KB clocks with 3.30 GHz (5.30 GHz), has 8 CPU cores and can calculate 16 threads in parallel. |
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Intel Xeon E5-2643 v4 | Characteristic | Intel Core i9-11900KB |
6 | Cores | 8 |
12 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
3.40 GHz | Frequency | 3.30 GHz |
3.70 GHz | Turbo Frequency (1 Core) | 5.30 GHz |
3.60 GHz | Turbo Frequency (All Cores) | 4.90 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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no iGPU | GPU | Intel UHD Graphics 11th Gen (32 EU) |
GPU frequency | 0.35 GHz | |
-- | GPU (Turbo) | 1.45 GHz |
-- | GPU Generation | 11 |
Technology | 10 nm | |
Max. displays | 3 | |
-- | Compute units | 32 |
-- | Shader | 256 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 64 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 | Intel UHD Graphics 11th Gen (32 EU) |
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 | Decode |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 1536 GB of memory in a maximum of 4 memory channels is supported by the Intel Xeon E5-2643 v4, while the Intel Core i9-11900KB supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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Intel Xeon E5-2643 v4 | Characteristic | Intel Core i9-11900KB |
DDR4-2400 | Memory | DDR4-3200 |
1536 GB | Max. Memory | 128 GB |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
76.8 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | No |
-- | L2 Cache | 4.00 MB |
20.00 MB | L3 Cache | 20.00 MB |
3.0 | PCIe version | 3.0 |
40 | PCIe lanes | 16 |
39.4 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe Intel Xeon E5-2643 v4 has a TDP of 135 W. The TDP of the Intel Core i9-11900KB is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Xeon E5-2643 v4 | Characteristic | Intel Core i9-11900KB |
135 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 55 W |
-- | Tjunction max. | 100 °C |
Technical detailsThe Intel Xeon E5-2643 v4 has 20.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i9-11900KB is at 24.00 MB. The processor is manufactured in 10 nm. |
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Intel Xeon E5-2643 v4 | Characteristic | Intel Core i9-11900KB |
14 nm | Technology | 10 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
LGA 2011-3 | Socket | BGA 1787 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q1/2016 | Release date | Q2/2021 |
1550 $ | Release price | 583 $ |
show more data | show more data | |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.70 GHz |
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Intel Core i9-11900KB
8C 16T @ 5.30 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
Intel Xeon E5-2643 v4
6C 12T @ 3.60 GHz |
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Intel Core i9-11900KB
8C 16T @ 4.90 GHz |
Intel Xeon E5-2643 v4
@ 0.00 GHz |
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Intel Core i9-11900KB
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz |
Devices using this processor |
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Intel Xeon E5-2643 v4 | Intel Core i9-11900KB |
Unknown | Unknown |