Core 2 Duo E8300 vs Core 2 Duo E8400

#ad
Buy on Amazon
VS

Aggregated performance score

Core 2 Duo E8400
2008
2 cores / 2 threads
0.76
+16.9%
Core 2 Duo E8300
2008
2 cores / 2 threads
0.65

Core 2 Duo E8400 outperforms Core 2 Duo E8300 by 17% based on our aggregated benchmark results.

General info

Comparing Core 2 Duo E8400 and Core 2 Duo E8300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking25212619
Place by popularitynot in top-100not in top-100
Value for money1.8611.55
Market segmentDesktop processorDesktop processor
Architecture codenameWolfdale (2008−2010)Wolfdale (2008−2010)
Release date1 January 2008 (16 years old)April 2008 (16 years old)
Current price$70 $52

Value for money

Performance per price, higher is better.

Core 2 Duo E8300 has 521% better value for money than Core 2 Duo E8400.

Technical specs

Core 2 Duo E8400 and Core 2 Duo E8300 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 speed3 GHz2.83 GHz
Boost clock speed3 GHz2.83 GHz
L1 cache64 KB (per core)64K (per core)
L2 cache6 MB (shared)6 MB (shared)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size104 mm2107 mm2
Maximum core temperature72 °C72 °C
Maximum case temperature (TCase)72 °C72 °C
Number of transistors410 million410 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo
VID voltage range0.85V-1.3625V0.85V-1.3625V

Compatibility

Information on Core 2 Duo E8400 and Core 2 Duo E8300 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 E8400 and Core 2 Duo E8300. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo E8400 and Core 2 Duo E8300 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 E8400 and Core 2 Duo E8300 are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Core 2 Duo E8300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Core 2 Duo E8300.

PCIe version2.0no data

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 E8400 0.76
+16.9%
Core 2 Duo E8300 0.65

Core 2 Duo E8400 outperforms Core 2 Duo E8300 by 17% based on our aggregated benchmark results.


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.

Benchmark coverage: 68%

Core 2 Duo E8400 1165
+16.9%
Core 2 Duo E8300 997

Core 2 Duo E8400 outperforms Core 2 Duo E8300 by 17% in Passmark.

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.

Benchmark coverage: 42%

Core 2 Duo E8400 368
+8.2%
Core 2 Duo E8300 340

Core 2 Duo E8400 outperforms Core 2 Duo E8300 by 8% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Core 2 Duo E8400 616
+5.7%
Core 2 Duo E8300 583

Core 2 Duo E8400 outperforms Core 2 Duo E8300 by 6% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 0.76 0.65

The Core 2 Duo E8400 is our recommended choice as it beats the Core 2 Duo E8300 in performance tests.


Should you still have questions on choice between Core 2 Duo E8400 and Core 2 Duo E8300, ask them in Comments section, and we shall answer.

Vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Duo E8400
Core 2 Duo E8400
Intel Core 2 Duo E8300
Core 2 Duo E8300

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

User Ratings

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


3.7 2073 votes

Rate Core 2 Duo E8400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 65 votes

Rate Core 2 Duo E8300 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions and comments

Here you can ask a question about Core 2 Duo E8400 or Core 2 Duo E8300, agree or disagree with our judgements, or report an error or mismatch.