Core 2 Quad Q8400 vs Pentium G3420

Aggregate performance score

Pentium G3420
2013
2 cores / 2 threads, 53 Watt
1.23
Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30
+5.7%

Core 2 Quad Q8400 outperforms Pentium G3420 by a small 6% based on our aggregate benchmark results.

Primary details

Comparing Pentium G3420 and Core 2 Quad Q8400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23282281
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.07no data
Market segmentDesktop processorDesktop processor
Power efficiency2.161.30
Architecture codenameHaswell (2013−2015)Yorkfield (2007−2009)
Release date1 September 2013 (11 years ago)19 April 2009 (15 years ago)
Launch price (MSRP)$252no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium G3420 and Core 2 Quad Q8400 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)4 (Quad-Core)
Threads24
Base clock speed3.2 GHz2.66 GHz
Boost clock speed3.2 GHz0.67 GHz
Bus rate5 GT/s1333 MHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)4 MB (shared)
L3 cache3 MB (shared)0 KB
Chip lithography22 nm45 nm
Die size177 mm22x 82 mm2
Maximum case temperature (TCase)72 °C71 °C
Number of transistors1,400 million456 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Pentium G3420 and Core 2 Quad Q8400 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
SocketFCLGA1150FCLGA775,LGA775
Power consumption (TDP)53 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G3420 and Core 2 Quad Q8400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Pentium G3420 and Core 2 Quad Q8400 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G3420 and Core 2 Quad Q8400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G3420 and Core 2 Quad Q8400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for 4th Generation Intel ProcessorsOn certain motherboards (Chipset feature)
Max video memory1.7 GBno data
Quick Sync Video+-
Graphics max frequency1.15 GHzno data

Graphics interfaces

Available interfaces and connections of Pentium G3420 and Core 2 Quad Q8400 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data
VGA+no data

Graphics image quality

Maximum display resolutions supported by Pentium G3420 and Core 2 Quad Q8400 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.41920x1080@60Hzno data
Max resolution over eDP2560x1600@60Hzno data
Max resolution over DisplayPort2560x1600@60Hzno data
Max resolution over VGA1920x1200@60Hzno data

Graphics API support

APIs supported by Pentium G3420 and Core 2 Quad Q8400 integrated GPUs, sometimes API versions are included.

DirectX11.1/12no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Pentium G3420 and Core 2 Quad Q8400.

PCIe versionUp to 3.02.0
PCI Express lanes16no 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.

Pentium G3420 1.23
Core 2 Quad Q8400 1.30
+5.7%

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.

Pentium G3420 1949
Core 2 Quad Q8400 2068
+6.1%

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.

Pentium G3420 581
+77.1%
Core 2 Quad Q8400 328

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.

Pentium G3420 978
+8.9%
Core 2 Quad Q8400 898

Gaming performance

Pros & cons summary


Performance score 1.23 1.30
Recency 1 September 2013 19 April 2009
Physical cores 2 4
Threads 2 4
Chip lithography 22 nm 45 nm
Power consumption (TDP) 53 Watt 95 Watt

Pentium G3420 has an age advantage of 4 years, a 104.5% more advanced lithography process, and 79.2% lower power consumption.

Core 2 Quad Q8400, on the other hand, has a 5.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Given the minimal performance differences, no clear winner can be declared between Pentium G3420 and Core 2 Quad Q8400.


Should you still have questions on choice between Pentium G3420 and Core 2 Quad Q8400, ask them in Comments section, and we shall answer.

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Intel Pentium G3420
Pentium G3420
Intel Core 2 Quad Q8400
Core 2 Quad Q8400

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Community ratings

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