Intel Core2 Duo E8500 vs Intel Atom D2550

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CPU comparison with benchmarks


Intel Core2 Duo E8500 CPU1 vs CPU2 Intel Atom D2550
Intel Core2 Duo E8500 Intel Atom D2550

CPU comparison

Intel Core2 Duo E8500 or Intel Atom D2550 - 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 Core2 Duo E8500 has 2 cores with 2 threads and clocks with a maximum frequency of 3.16 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core2 Duo E8500 was released in Q1/2008.

The Intel Atom D2550 has 2 cores with 4 threads and clocks with a maximum frequency of 1.86 GHz. The CPU supports up to 4 GB of memory in 1 memory channels. The Intel Atom D2550 was released in Q1/2012.
Intel Core2 Duo (29) Family Intel Atom (108)
Intel Core 2 Duo E7000/E8000 (14) CPU group Intel Atom D2000 (4)
2 Generation 1
Wolfdale (Penryn) Architecture Cedarview
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core2 Duo E8500 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Core2 Duo E8500 is 3.16 GHz while the Intel Atom D2550 has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom D2550 is at 1.86 GHz.

Intel Core2 Duo E8500 Characteristic Intel Atom D2550
2 Cores 2
2 Threads 4
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
3.16 GHz Frequency 1.86 GHz
-- Turbo Frequency (1 Core) --
-- 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 Core2 Duo E8500 Characteristic Intel Atom D2550
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core2 Duo E8500 or Intel Atom D2550 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU Intel GMA 3650
GPU frequency 0.64 GHz
-- GPU (Turbo) --
-- GPU Generation --
Technology 65 nm
Max. displays 2
-- Compute units 4
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 1 GB
-- 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.

no iGPU GPU Intel GMA 3650
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 Core2 Duo E8500 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Atom D2550 supports up to 4 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 8.6 GB/s.

Intel Core2 Duo E8500 Characteristic Intel Atom D2550
DDR3-1333, DDR2-1066 Memory DDR3-1066
16 GB Max. Memory 4 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
21.3 GB/s Max. Bandwidth 8.6 GB/s
No ECC No
6.00 MB L2 Cache --
-- L3 Cache 1.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core2 Duo E8500 is 65 W, while the Intel Atom D2550 has a TDP of 10 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core2 Duo E8500 Characteristic Intel Atom D2550
65 W TDP (PL1 / PBP) 10 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core2 Duo E8500 is manufactured in 45 nm and has 6.00 MB cache. The Intel Atom D2550 is manufactured in 32 nm and has a 1.00 MB cache.

Intel Core2 Duo E8500 Characteristic Intel Atom D2550
45 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE, SSE2, SSE3, SSE 4.1 ISA extensions SSE3
LGA 775 Socket BGA 559
VT-x Virtualization None
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2008 Release date Q1/2012
-- Release price 38 $
show more data show more data


Rate these processors

Here you can rate the Intel Core2 Duo E8500 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (2 ratings). Rate now:
Here you can rate the Intel Atom D2550 to help other visitors make their purchasing decisions. The average rating is 1.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core2 Duo E8500 (100%)
Intel Atom D2550 (21%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core2 Duo E8500 (100%)
Intel Atom D2550 (35%)

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 Core2 Duo E8500 Intel Core2 Duo E8500
2C 2T @ 3.16 GHz
479 (100%)
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
101 (21%)

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 Core2 Duo E8500 Intel Core2 Duo E8500
2C 2T @ 3.16 GHz
873 (100%)
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
303 (35%)

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 Core2 Duo E8500 Intel Core2 Duo E8500
2C 2T @ 3.16 GHz
1234 (100%)
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
434 (35%)

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 Core2 Duo E8500 Intel Core2 Duo E8500
@ 0.00 GHz
0 (0%)
Intel Atom D2550 Intel Atom D2550
Intel GMA 3650 @ 0.64 GHz
41 (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 Core2 Duo E8500 Intel Core2 Duo E8500
2C 2T @ 3.16 GHz
525 (100%)
Intel Atom D2550 Intel Atom D2550
2C 4T @ 1.86 GHz
0 (0%)

Devices using this processor

Intel Core2 Duo E8500 Intel Atom D2550
Unknown Unknown

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