Ryzen 5 7520U vs Pentium G645

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Aggregate performance score

Pentium G645
2012
2 cores / 2 threads, 65 Watt
0.90
Ryzen 5 7520U
2022
4 cores / 8 threads, 15 Watt
5.79
+543%

Ryzen 5 7520U outperforms Pentium G645 by a whopping 543% based on our aggregate benchmark results.

Primary details

Comparing Pentium G645 and Ryzen 5 7520U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25491130
Place by popularitynot in top-10028
Cost-effectiveness evaluation0.06no data
Market segmentDesktop processorLaptop
Seriesno dataMendocino (Zen 2, Ryzen 7020)
Power efficiency1.3136.55
Architecture codenameSandy Bridge (2011−2013)Mendocino-U (Zen 2) (2022)
Release date2 September 2012 (12 years ago)20 September 2022 (2 years ago)
Launch price (MSRP)$80no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium G645 and Ryzen 5 7520U 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)
Threads28
Base clock speed2.9 GHz2.8 GHz
Boost clock speed2.9 GHz4.3 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache3 MB (shared)4 MB (shared)
Chip lithography32 nm6 nm
Die size131 mm2100 mm2
Maximum core temperature69 °Cno data
Number of transistors504 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Pentium G645 and Ryzen 5 7520U 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
SocketFCLGA1155FP6
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645 and Ryzen 5 7520U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data

Security technologies

Pentium G645 and Ryzen 5 7520U 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 Pentium G645 and Ryzen 5 7520U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G645 and Ryzen 5 7520U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth17 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics for 2nd Generation Intel ProcessorsAMD Radeon 610M ( - 1900 MHz)
Graphics max frequency1.1 GHzno data

Graphics interfaces

Available interfaces and connections of Pentium G645 and Ryzen 5 7520U integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Pentium G645 and Ryzen 5 7520U.

PCIe version2.03.0
PCI Express lanesno data4

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 G645 0.90
Ryzen 5 7520U 5.79
+543%

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 G645 1429
Ryzen 5 7520U 9194
+543%

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 G645 454
Ryzen 5 7520U 1188
+162%

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 G645 773
Ryzen 5 7520U 3761
+387%

Gaming performance

Pros & cons summary


Performance score 0.90 5.79
Integrated graphics card 0.77 2.85
Recency 2 September 2012 20 September 2022
Physical cores 2 4
Threads 2 8
Chip lithography 32 nm 6 nm
Power consumption (TDP) 65 Watt 15 Watt

Ryzen 5 7520U has a 543.3% higher aggregate performance score, 270.1% faster integrated GPU, an age advantage of 10 years, 100% more physical cores and 300% more threads, a 433.3% more advanced lithography process, and 333.3% lower power consumption.

The Ryzen 5 7520U is our recommended choice as it beats the Pentium G645 in performance tests.

Note that Pentium G645 is a desktop processor while Ryzen 5 7520U is a notebook one.


Should you still have questions on choice between Pentium G645 and Ryzen 5 7520U, ask them in Comments section, and we shall answer.

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Intel Pentium G645
Pentium G645
AMD Ryzen 5 7520U
Ryzen 5 7520U

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Community ratings

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Questions & comments

Here you can ask a question about Pentium G645 or Ryzen 5 7520U, agree or disagree with our judgements, or report an error or mismatch.