Pentium G620 vs Phenom X3 8400

Aggregate performance score

Phenom X3 8400
2008
3 cores / 3 threads, 95 Watt
0.76

Pentium G620 outperforms Phenom X3 8400 by a minimal 4% based on our aggregate benchmark results.

Primary details

Comparing Phenom X3 8400 and Pentium G620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26672636
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data7.43
Market segmentDesktop processorDesktop processor
Power efficiency0.731.11
Architecture codenameToliman (2008)Sandy Bridge (2011−2013)
Release dateMarch 2008 (16 years ago)22 May 2011 (13 years ago)
Launch price (MSRP)no data$60

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom X3 8400 and Pentium G620 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 cores3 (Tri-Core)2 (Dual-core)
Threads32
Base clock speedno data2.6 GHz
Boost clock speed2.1 GHz2.6 GHz
L1 cache128 KB (per core)64 KB (per core)
L2 cache512 KB (per core)256 KB (per core)
L3 cache2 MB (shared)3 MB (shared)
Chip lithography65 nm32 nm
Die size285 mm2131 mm2
Maximum core temperatureno data69 °C
Number of transistors450 million504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom X3 8400 and Pentium G620 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
SocketAM2+FCLGA1155
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom X3 8400 and Pentium G620. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
FDIno data+
Fast Memory Accessno data+

Security technologies

Phenom X3 8400 and Pentium G620 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom X3 8400 and Pentium G620 are enumerated here.

AMD-V+-
VT-dno data-
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom X3 8400 and Pentium G620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3
Maximum memory sizeno data32 GB
Max memory channelsno data2
Maximum memory bandwidthno data17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® HD Graphics for 2nd Generation Intel® Processors
Graphics max frequencyno data1.1 GHz

Graphics interfaces

Available interfaces and connections of Phenom X3 8400 and Pentium G620 integrated GPUs.

Number of displays supportedno data2

Peripherals

Specifications and connection of peripherals supported by Phenom X3 8400 and Pentium G620.

PCIe versionno data2.0

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.

Phenom X3 8400 0.76
Pentium G620 0.79
+3.9%

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.

Phenom X3 8400 1164
Pentium G620 1213
+4.2%

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.

Phenom X3 8400 190
Pentium G620 388
+104%

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.

Phenom X3 8400 540
Pentium G620 667
+23.5%

Gaming performance

Pros & cons summary


Performance score 0.76 0.79
Physical cores 3 2
Threads 3 2
Chip lithography 65 nm 32 nm
Power consumption (TDP) 95 Watt 65 Watt

Phenom X3 8400 has 50% more physical cores and 50% more threads.

Pentium G620, on the other hand, has a 3.9% higher aggregate performance score, a 103.1% more advanced lithography process, and 46.2% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Phenom X3 8400 and Pentium G620.


Should you still have questions on choice between Phenom X3 8400 and Pentium G620, ask them in Comments section, and we shall answer.

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AMD Phenom X3 8400
Phenom X3 8400
Intel Pentium G620
Pentium G620

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Community ratings

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Questions & comments

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