Intel Pentium G645 vs Pentium G850

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Combined performance score

Pentium G850
0.93
+3.3%

Pentium G850 outperforms Pentium G645 by 3% in our combined benchmark results.

General info

Comparing Pentium G850 and Pentium G645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking23762391
Place by popularitynot in top-100not in top-100
Value for money19.070.06
Market segmentDesktop processorDesktop processor
Architecture codenameSandy Bridge (2011−2013)Sandy Bridge (2011−2013)
Release date22 May 2011 (12 years old)2 September 2012 (11 years old)
Launch price (MSRP)$27$80
Current price$22 (0.8x MSRP)$43 (0.5x MSRP)
Value for money

Performance per price, higher is better.

Pentium G850 has 31683% better value for money than Pentium G645.

Technical specs

Pentium G850 and Pentium G645 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)2 (Dual-core)
Threads22
Base clock speed2.9 GHz2.9 GHz
Boost clock speed2.9 GHz2.9 GHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache3 MB (shared)3 MB (shared)
Chip lithography32 nm32 nm
Die size131 mm2131 mm2
Maximum core temperature69 °C69 °C
Number of transistors504 million504 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Pentium G850 and Pentium G645 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
SocketFCLGA1155FCLGA1155
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G850 and Pentium G645. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2
AES-NI-+
AVXno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Flex Memory Access++
FDI++
Fast Memory Access++
StatusDiscontinuedDiscontinued

Security technologies

Pentium G850 and Pentium G645 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G850 and Pentium G645 are enumerated here.

VT-d--
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G850 and Pentium G645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GB32 GB
Max memory channels22
Maximum memory bandwidth21 GB/s17 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® ProcessorsIntel® HD Graphics for 2nd Generation Intel® Processors
Quick Sync Video--
Clear Video HD--
Graphics max frequency1.1 GHz1.1 GHz
InTru 3D--

Graphics interfaces

Available interfaces and connections of Pentium G850 and Pentium G645 integrated GPUs.

Number of displays supported22

Peripherals

Specifications and connection of peripherals supported by Pentium G850 and Pentium G645.

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.

Pentium G850 0.93
+3.3%
Pentium G645 0.90

Pentium G850 outperforms Pentium G645 by 3% in our combined benchmark results.


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.

Benchmark coverage: 68%

Pentium G850 1433
+3.2%
Pentium G645 1388

Pentium G850 outperforms Pentium G645 by 3% in Passmark.

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.

Benchmark coverage: 42%

Pentium G850 458
Pentium G645 465
+1.5%

Pentium G645 outperforms Pentium G850 by 2% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Pentium G850 786
Pentium G645 800
+1.8%

Pentium G645 outperforms Pentium G850 by 2% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 0.93 0.90
Recency 22 May 2011 2 September 2012
Cost $27 $80

We couldn't decide between Pentium G850 and Pentium G645. The differences in performance seem too small.


Should you still have questions on choice between Pentium G850 and Pentium G645, ask them in Comments section, and we shall answer.

User ratings

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Intel Pentium G850
Pentium G850
Intel Pentium G645
Pentium G645

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Questions and comments

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