Core 2 Duo E7400 vs Core 2 Duo E8300

Aggregate performance score

Core 2 Duo E8300
2008
2 cores / 2 threads, 65 Watt
0.63
Core 2 Duo E7400
2008
2 cores / 2 threads, 65 Watt
0.65
+3.2%

Core 2 Duo E7400 outperforms Core 2 Duo E8300 by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E8300 and Core 2 Duo E7400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27682750
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.920.95
Architecture codenameWolfdale (2008−2010)Wolfdale (2008−2010)
Release dateApril 2008 (16 years ago)October 2008 (16 years ago)

Detailed specifications

Core 2 Duo E8300 and Core 2 Duo E7400 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speed2.83 GHz2.8 GHz
Boost clock speed2.83 GHz2.8 GHz
Bus rate1333 MHz1066 MHz
L1 cache64K (per core)64 KB
L2 cache6 MB (shared)3 MB (shared)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size107 mm282 mm2
Maximum case temperature (TCase)72 °C74 °C
Number of transistors410 million228 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625V0.85V-1.3625V

Compatibility

Information on Core 2 Duo E8300 and Core 2 Duo E7400 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketLGA775LGA775
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8300 and Core 2 Duo E7400. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Demand Based Switching--
FSB parity--

Security technologies

Core 2 Duo E8300 and Core 2 Duo E7400 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8300 and Core 2 Duo E7400 are enumerated here.

VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8300 and Core 2 Duo E7400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR1, DDR2, DDR3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core 2 Duo E8300 0.63
Core 2 Duo E7400 0.65
+3.2%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Duo E8300 997
Core 2 Duo E7400 1030
+3.3%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Core 2 Duo E8300 336
+5.7%
Core 2 Duo E7400 318

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Core 2 Duo E8300 575
+12.3%
Core 2 Duo E7400 512

Gaming performance

Pros & cons summary


Performance score 0.63 0.65

Core 2 Duo E7400 has a 3.2% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between Core 2 Duo E8300 and Core 2 Duo E7400.


Should you still have questions on choice between Core 2 Duo E8300 and Core 2 Duo E7400, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E8300
Core 2 Duo E8300
Intel Core 2 Duo E7400
Core 2 Duo E7400

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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