Athlon II X3 400e vs Core 2 Quad Q8400

VS

Aggregate performance score

Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30
+56.6%
Athlon II X3 400e
2009
3 cores / 3 threads, 45 Watt
0.83

Core 2 Quad Q8400 outperforms Athlon II X3 400e by an impressive 57% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q8400 and Athlon II X3 400e processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22812596
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.07
Market segmentDesktop processorDesktop processor
Power efficiency1.291.74
Architecture codenameYorkfield (2007−2009)Rana (2009−2011)
Release date19 April 2009 (15 years ago)20 October 2009 (15 years ago)
Launch price (MSRP)no data$107

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad Q8400 and Athlon II X3 400e 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 cores4 (Quad-Core)3 (Tri-Core)
Threads43
Base clock speed2.66 GHz2.2 GHz
Boost clock speed0.67 GHz2.2 GHz
Bus rate1333 MHzno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache4 MB (shared)512 KB (per core)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size2x 82 mm2169 mm2
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million300 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400 and Athlon II X3 400e 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
SocketFCLGA775,LGA775AM3
Power consumption (TDP)95 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Athlon II X3 400e. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q8400 and Athlon II X3 400e technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q8400 and Athlon II X3 400e are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Athlon II X3 400e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Athlon II X3 400e.

PCIe version2.02.0

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 Quad Q8400 1.30
+56.6%
Athlon II X3 400e 0.83

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 Quad Q8400 2068
+56.7%
Athlon II X3 400e 1320

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 Quad Q8400 328
+18.8%
Athlon II X3 400e 276

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 Quad Q8400 897
+23.4%
Athlon II X3 400e 727

Gaming performance

Pros & cons summary


Performance score 1.30 0.83
Recency 19 April 2009 20 October 2009
Physical cores 4 3
Threads 4 3
Power consumption (TDP) 95 Watt 45 Watt

Core 2 Quad Q8400 has a 56.6% higher aggregate performance score, and 33.3% more physical cores and 33.3% more threads.

Athlon II X3 400e, on the other hand, has an age advantage of 6 months, and 111.1% lower power consumption.

The Core 2 Quad Q8400 is our recommended choice as it beats the Athlon II X3 400e in performance tests.


Should you still have questions on choice between Core 2 Quad Q8400 and Athlon II X3 400e, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q8400
Core 2 Quad Q8400
AMD Athlon II X3 400e
Athlon II X3 400e

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Community ratings

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Questions & comments

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