Pentium Gold G6405 vs Athlon II X4 645

VS

Aggregate performance score

Athlon II X4 645
2010
4 cores / 4 threads, 95 Watt
1.48
Pentium Gold G6405
2021
2 cores / 4 threads, 15 Watt
2.67
+80.4%

Pentium Gold G6405 outperforms Athlon II X4 645 by an impressive 80% based on our aggregate benchmark results.

Primary details

Comparing Athlon II X4 645 and Pentium Gold G6405 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21671721
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.30no data
Market segmentDesktop processorDesktop processor
Power efficiency1.474.35
Architecture codenamePropus (2009−2011)Comet Lake-R (2021)
Release date21 September 2010 (14 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$80$64

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X4 645 and Pentium Gold G6405 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)2 (Dual-core)
Threads44
Base clock speed3.1 GHz4.1 GHz
Boost clock speed3.1 GHz4.1 GHz
Bus rateno data8 GT/s
L1 cache128 KB (per core)64 KB (per core)
L2 cache512 KB (per core)256 KB (per core)
L3 cache0 KB4 MB (shared)
Chip lithography45 nm14 nm
Die size169 mm2no data
Maximum case temperature (TCase)no data72 °C
Number of transistors300 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Athlon II X4 645 and Pentium Gold G6405 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
SocketAM31200
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 645 and Pentium Gold G6405. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
TSX-+

Security technologies

Athlon II X4 645 and Pentium Gold G6405 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 645 and Pentium Gold G6405 are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 645 and Pentium Gold G6405. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2666

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 610

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 645 and Pentium Gold G6405.

PCIe version2.03.0
PCI Express lanesno data16

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.

Athlon II X4 645 1.48
Pentium Gold G6405 2.67
+80.4%

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.

Athlon II X4 645 2351
Pentium Gold G6405 4244
+80.5%

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.

Athlon II X4 645 320
Pentium Gold G6405 845
+164%

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.

Athlon II X4 645 969
Pentium Gold G6405 1725
+78%

Gaming performance

Pros & cons summary


Performance score 1.48 2.67
Recency 21 September 2010 16 March 2021
Physical cores 4 2
Chip lithography 45 nm 14 nm
Power consumption (TDP) 95 Watt 15 Watt

Athlon II X4 645 has 100% more physical cores.

Pentium Gold G6405, on the other hand, has a 80.4% higher aggregate performance score, an age advantage of 10 years, a 221.4% more advanced lithography process, and 533.3% lower power consumption.

The Pentium Gold G6405 is our recommended choice as it beats the Athlon II X4 645 in performance tests.


Should you still have questions on choice between Athlon II X4 645 and Pentium Gold G6405, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 645
Athlon II X4 645
Intel Pentium Gold G6405
Pentium Gold G6405

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Community ratings

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Questions & comments

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