Intel Core2 Duo E6850 vs Intel Pentium E5400

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CPU comparison with benchmarks


Intel Core2 Duo E6850 CPU1 vs CPU2 Intel Pentium E5400
Intel Core2 Duo E6850 Intel Pentium E5400

CPU comparison

Intel Core2 Duo E6850 or Intel Pentium E5400 - 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 E6850 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core2 Duo E6850 was released in Q3/2007.

The Intel Pentium E5400 has 2 cores with 2 threads and clocks with a maximum frequency of 2.70 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Pentium E5400 was released in Q1/2009.
Intel Core2 Duo (29) Family Intel Pentium (150)
Intel Core 2 Duo E4000/E6000 (15) CPU group Intel Pentium E5000/E6000 (13)
1 Generation 2
Conroe (Core) Architecture Wolfdale (Penryn)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core2 Duo E6850 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Core2 Duo E6850 is 3.00 GHz while the Intel Pentium E5400 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Pentium E5400 is at 2.70 GHz.

Intel Core2 Duo E6850 Characteristic Intel Pentium E5400
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
3.00 GHz Frequency 2.70 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 E6850 Characteristic Intel Pentium E5400
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core2 Duo E6850 or Intel Pentium E5400 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 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 Core2 Duo E6850 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Pentium E5400 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Core2 Duo E6850 Characteristic Intel Pentium E5400
DDR3-1333, DDR2-1066 Memory DDR3-1333, DDR2-800
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
4.00 MB L2 Cache 2.00 MB
-- L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core2 Duo E6850 is 65 W, while the Intel Pentium E5400 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core2 Duo E6850 Characteristic Intel Pentium E5400
65 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core2 Duo E6850 is manufactured in 65 nm and has 4.00 MB cache. The Intel Pentium E5400 is manufactured in 45 nm and has a 2.00 MB cache.

Intel Core2 Duo E6850 Characteristic Intel Pentium E5400
65 nm Technology 45 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE, SSE2, SSE3 ISA extensions MMX, SSE, SSE2, SSE3
LGA 775 Socket LGA 775
VT-x Virtualization VT-x
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2007 Release date Q1/2009
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core2 Duo E6850 (100%)
Intel Pentium E5400 (86%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core2 Duo E6850 (100%)
Intel Pentium E5400 (87%)

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 E6850 Intel Core2 Duo E6850
2C 2T @ 3.00 GHz
426 (100%)
Intel Pentium E5400 Intel Pentium E5400
2C 2T @ 2.70 GHz
368 (86%)

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 E6850 Intel Core2 Duo E6850
2C 2T @ 3.00 GHz
747 (100%)
Intel Pentium E5400 Intel Pentium E5400
2C 2T @ 2.70 GHz
658 (88%)

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 E6850 Intel Core2 Duo E6850
2C 2T @ 3.00 GHz
1137 (100%)
Intel Pentium E5400 Intel Pentium E5400
2C 2T @ 2.70 GHz
951 (84%)

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 E6850 Intel Core2 Duo E6850
2C 2T @ 3.00 GHz
488 (100%)
Intel Pentium E5400 Intel Pentium E5400
2C 2T @ 2.70 GHz
436 (89%)

Devices using this processor

Intel Core2 Duo E6850 Intel Pentium E5400
Unknown Unknown

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