Intel Atom D2550 vs Intel Core i5-2500k

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CPU comparison with benchmarks


Intel Atom D2550 CPU1 vs CPU2 Intel Core i5-2500k
Intel Atom D2550 Intel Core i5-2500k

CPU comparison

In this CPU comparison, we compare the Intel Atom D2550 and the Intel Core i5-2500k and use benchmarks to check which processor is faster.

We compare the Intel Atom D2550 2 core processor released in Q1/2012 with the Intel Core i5-2500k which has 4 CPU cores and was introduced in Q1/2011.
Intel Atom (108) Family Intel Core i5 (331)
Intel Atom D2000 (4) CPU group Intel Core i 2000 (28)
1 Generation 2
Cedarview Architecture Sandy Bridge S
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom D2550 is a 2 core processor with a clock frequency of 1.86 GHz. The processor can compute 4 threads at the same time. The Intel Core i5-2500k clocks with 3.30 GHz (3.70 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

Intel Atom D2550 Characteristic Intel Core i5-2500k
2 Cores 4
4 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
1.86 GHz Frequency 3.30 GHz
-- Turbo Frequency (1 Core) 3.70 GHz
-- Turbo Frequency (All Cores) 3.70 GHz

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 D2550 Characteristic Intel Core i5-2500k
-- AI hardware --
-- AI specifications --

Internal Graphics

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.

Intel GMA 3650 GPU Intel HD Graphics 3000
0.64 GHz GPU frequency 0.85 GHz
-- GPU (Turbo) 1.10 GHz
-- GPU Generation 6
65 nm Technology 32 nm
2 Max. displays 2
4 Compute units 12
32 Shader 96
No Hardware Raytracing No
No Frame Generation No
1 GB Max. GPU Memory 2 GB
10.1 DirectX Version 10.1

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 GMA 3650 GPU Intel HD Graphics 3000
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG No

Memory & PCIe

Up to 4 GB of memory in a maximum of 1 memory channels is supported by the Intel Atom D2550, while the Intel Core i5-2500k supports a maximum of 32 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.

Intel Atom D2550 Characteristic Intel Core i5-2500k
DDR3-1066 Memory DDR3-1333
4 GB Max. Memory 32 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
8.6 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 6.00 MB
-- PCIe version 2.0
-- PCIe lanes 16
-- PCIe Bandwidth 8.0 GB/s

Thermal Management

The Intel Atom D2550 has a TDP of 10 W. The TDP of the Intel Core i5-2500k is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom D2550 Characteristic Intel Core i5-2500k
10 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom D2550 has 1.00 MB cache and is manufactured in 32 nm. The cache of Intel Core i5-2500k is at 6.00 MB. The processor is manufactured in 32 nm.

Intel Atom D2550 Characteristic Intel Core i5-2500k
32 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3 ISA extensions SSE4.1, SSE4.2, AVX
BGA 559 Socket LGA 1155
None Virtualization VT-x, VT-x EPT
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2012 Release date Q1/2011
38 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom D2550 (13%)
Intel Core i5-2500k (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom D2550 (11%)
Intel Core i5-2500k (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 D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
101 (13%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
760 (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 D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
303 (12%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
2537 (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 D2550 Intel Atom D2550
Intel GMA 3650 @ 0.64 GHz
41 (19%)
Intel Core i5-2500k Intel Core i5-2500k
Intel HD Graphics 3000 @ 1.10 GHz
211 (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 D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
434 (10%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
4155 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
697 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
2450 (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 D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
651 (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 D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
1948 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
262 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
894 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
778.7 (100%)

CPU-Z Benchmark 17 (Single-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 D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
372 (100%)

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 D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.30 GHz
1336 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
127 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)
Intel Core i5-2500k Intel Core i5-2500k
4C 4T @ 3.70 GHz
461 (100%)

Devices using this processor

Intel Atom D2550 Intel Core i5-2500k
Unknown Unknown

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