Intel Core i7-3820 vs Intel Xeon E7-4809 v2

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CPU comparison with benchmarks


Intel Core i7-3820 CPU1 vs CPU2 Intel Xeon E7-4809 v2
Intel Core i7-3820 Intel Xeon E7-4809 v2

CPU comparison

Intel Core i7-3820 or Intel Xeon E7-4809 v2 - 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 i7-3820 has 4 cores with 8 threads and clocks with a maximum frequency of 3.80 GHz. Up to 64 GB of memory is supported in 4 memory channels. The Intel Core i7-3820 was released in Q1/2012.

The Intel Xeon E7-4809 v2 has 6 cores with 12 threads and clocks with a maximum frequency of 1.90 GHz. The CPU supports up to 1536 GB of memory in 4 memory channels. The Intel Xeon E7-4809 v2 was released in Q1/2014.
Intel Core i7 Extreme Edition (24) Family Intel Xeon E7 (20)
Intel Core i 3000X (4) CPU group Intel Xeon E7 v2 (20)
3 Generation 4
Sandy Bridge E Architecture Ivy Bridge EX
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-3820 is a 4 core processor with a clock frequency of 3.60 GHz (3.80 GHz). The Intel Xeon E7-4809 v2 has 6 CPU cores with a clock frequency of 1.90 GHz.

Intel Core i7-3820 Characteristic Intel Xeon E7-4809 v2
4 Cores 6
8 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
3.60 GHz Frequency 1.90 GHz
3.80 GHz Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core i7-3820 Characteristic Intel Xeon E7-4809 v2
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

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.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

A 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.

no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i7-3820 supports a maximum of 64 GB of memory in 4 memory channels. The Intel Xeon E7-4809 v2 can connect up to 1536 GB of memory in 4 memory channels.

Intel Core i7-3820 Characteristic Intel Xeon E7-4809 v2
DDR3-1066, DDR3-1333, DDR3-1600 Memory DDR3-1333
64 GB Max. Memory 1536 GB
4 (Quad Channel) Memory channels 4 (Quad Channel)
51.2 GB/s Max. Bandwidth 42.6 GB/s
No ECC Yes
-- L2 Cache --
10.00 MB L3 Cache 12.00 MB
2.0 PCIe version --
40 PCIe lanes --
20.0 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-3820 has a TDP of 130 W, that of the Intel Xeon E7-4809 v2 is 105 W.

Intel Core i7-3820 Characteristic Intel Xeon E7-4809 v2
130 W TDP (PL1 / PBP) 105 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
105 °C Tjunction max. --

Technical details

The Intel Core i7-3820 has a 10.00 MB cache, while the Intel Xeon E7-4809 v2 cache has a total of 12.00 MB.

Intel Core i7-3820 Characteristic Intel Xeon E7-4809 v2
32 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX
LGA 2011 Socket LGA 2011
VT-x, VT-x EPT, VT-d (C2 Stepping) Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2012 Release date Q1/2014
305 $ Release price 890 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i7-3820 to help other visitors make their purchasing decisions. The average rating is 3.5 stars (2 ratings). Rate now:
Here you can rate the Intel Xeon E7-4809 v2 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-3820 Intel Core i7-3820
4C 8T @ 3.80 GHz
772 (100%)
Intel Xeon E7-4809 v2 Intel Xeon E7-4809 v2
6C 12T @ 1.90 GHz
0 (0%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i7-3820 Intel Core i7-3820
4C 8T @ 3.60 GHz
3293 (100%)
Intel Xeon E7-4809 v2 Intel Xeon E7-4809 v2
6C 12T @ 1.90 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i7-3820 Intel Core i7-3820
4C 8T @ 3.80 GHz
729 (100%)
Intel Xeon E7-4809 v2 Intel Xeon E7-4809 v2
6C 12T @ 1.90 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i7-3820 Intel Core i7-3820
4C 8T @ 3.60 GHz
2596 (100%)
Intel Xeon E7-4809 v2 Intel Xeon E7-4809 v2
6C 12T @ 1.90 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i7-3820 Intel Core i7-3820
4C 8T @ 3.60 GHz
5775 (100%)
Intel Xeon E7-4809 v2 Intel Xeon E7-4809 v2
6C 12T @ 1.90 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i7-3820 Intel Core i7-3820
4C 8T @ 3.60 GHz
1771 (100%)
Intel Xeon E7-4809 v2 Intel Xeon E7-4809 v2
6C 12T @ 1.90 GHz
0 (0%)

Devices using this processor

Intel Core i7-3820 Intel Xeon E7-4809 v2
Unknown Unknown

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