Intel Atom E3826 vs Intel Xeon E3-1271 v3

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CPU comparison with benchmarks


Intel Atom E3826 CPU1 vs CPU2 Intel Xeon E3-1271 v3
Intel Atom E3826 Intel Xeon E3-1271 v3

CPU comparison

Intel Atom E3826 or Intel Xeon E3-1271 v3 - 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 Atom E3826 has 2 cores with 2 threads and clocks with a maximum frequency of 1.46 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Atom E3826 was released in Q4/2013.

The Intel Xeon E3-1271 v3 has 4 cores with 8 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Xeon E3-1271 v3 was released in Q2/2014.
Intel Atom (108) Family Intel Xeon E3 (43)
Intel Atom E3800 (6) CPU group Intel Xeon E3 v3 (15)
4 Generation 4
Bay Trail Architecture Haswell S
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom E3826 is a 2 core processor with a clock frequency of 1.46 GHz. The Intel Xeon E3-1271 v3 has 4 CPU cores with a clock frequency of 3.60 GHz (4.00 GHz).

Intel Atom E3826 Characteristic Intel Xeon E3-1271 v3
2 Cores 4
2 Threads 8
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.46 GHz Frequency 3.60 GHz
-- Turbo Frequency (1 Core) 4.00 GHz
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Atom E3826 Characteristic Intel Xeon E3-1271 v3
-- AI hardware --
-- AI specifications --

Internal Graphics

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.

Intel HD Graphics (Bay Trail GT1) GPU no iGPU
0.53 GHz GPU frequency --
0.67 GHz GPU (Turbo) --
7 GPU Generation --
22 nm Technology
2 Max. displays
4 Compute units --
32 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 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.

Intel HD Graphics (Bay Trail GT1) 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 & PCIe

The Intel Atom E3826 supports a maximum of 8 GB of memory in 2 memory channels. The Intel Xeon E3-1271 v3 can connect up to 32 GB of memory in 2 memory channels.

Intel Atom E3826 Characteristic Intel Xeon E3-1271 v3
DDR3L-1066 Memory DDR3L-1600, DDR3-1600
8 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 25.6 GB/s
No ECC Yes
-- L2 Cache --
1.00 MB L3 Cache 8.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom E3826 has a TDP of 7 W, that of the Intel Xeon E3-1271 v3 is 80 W.

Intel Atom E3826 Characteristic Intel Xeon E3-1271 v3
7 W TDP (PL1 / PBP) 80 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom E3826 has a 1.00 MB cache, while the Intel Xeon E3-1271 v3 cache has a total of 8.00 MB.

Intel Atom E3826 Characteristic Intel Xeon E3-1271 v3
22 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 1170 Socket LGA 1150
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q4/2013 Release date Q2/2014
-- Release price --
show more data show more data


Rate these processors

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom E3826 (13%)
Intel Xeon E3-1271 v3 (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom E3826 (6%)
Intel Xeon E3-1271 v3 (100%)

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 Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
134 (13%)
Intel Xeon E3-1271 v3 Intel Xeon E3-1271 v3
4C 8T @ 4.00 GHz
1058 (100%)

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 Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
262 (7%)
Intel Xeon E3-1271 v3 Intel Xeon E3-1271 v3
4C 8T @ 3.60 GHz
3986 (100%)

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 Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
304 (4%)
Intel Xeon E3-1271 v3 Intel Xeon E3-1271 v3
4C 8T @ 3.60 GHz
7554 (100%)

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 Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
0 (0%)
Intel Xeon E3-1271 v3 Intel Xeon E3-1271 v3
4C 8T @ 4.00 GHz
1307 (100%)

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 Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
0 (0%)
Intel Xeon E3-1271 v3 Intel Xeon E3-1271 v3
4C 8T @ 3.60 GHz
4328 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Atom E3826 Intel Atom E3826
Intel HD Graphics (Bay Trail GT1) @ 0.67 GHz
43 (100%)
Intel Xeon E3-1271 v3 Intel Xeon E3-1271 v3
@ 0.00 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 Atom E3826 Intel Atom E3826
2C 2T @ 1.46 GHz
0 (0%)
Intel Xeon E3-1271 v3 Intel Xeon E3-1271 v3
4C 8T @ 3.60 GHz
2066 (100%)

Devices using this processor

Intel Atom E3826 Intel Xeon E3-1271 v3
Unknown Unknown

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