Intel Pentium G2120 vs Intel Pentium G645

Compare Intel Pentium G Series 2 core CPU vs Intel Pentium 2 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Specifications
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Intel Pentium G645

Price

The cheapest price from our partner retailers

$ 35.00

$ 47.00 significantly less expensive

$ 82.00

Benchmark Score

Overall Score

A combined score of all workloads

1029 points

8% slightly better overall score

951 points

Gaming Score

The raw gaming performance with a fast GPU

2254 points

8% slightly better gaming score

2076 points

Multitasking Score

Performance in workloads using up to 8 cores

733 points

7% slightly better multitasking score

679 points

Heavy Workload Score

Performance in workloads using up to 16 cores

703 points

7% slightly better heavy workload score

653 points

Free CPU Benchmark

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Other Benchmarks

Geekbench 5 (multi) score

Multi threaded benchmark

1053 points

11% slightly higher Geekbench 5 (multi) score

944 points

Geekbench 5 (single) score

Single threaded benchmark

577 points

12% slightly higher Geekbench 5 (single) score

514 points

Geekbench 6 (multi) score

Multi threaded benchmark

914 points

24% slightly higher Geekbench 6 (multi) score

732 points

Geekbench 6 (single) score

Single threaded benchmark

527 points

16% slightly higher Geekbench 6 (single) score

451 points

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

Identical

Clock Speed

Base frequency at which the chip operates

3.1 GHz

6% slightly higher clock speed

2.9 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W

18% slightly lower TDP

65 W

Memory Channels

Lanes for simultaneous memory access

Identical

Supported Memory

Maximum amount of RAM supported by this CPU

32 GiB

Identical

32 GiB

Other details

Rank

Ranking in the hardwareDB database

940th of 1,089

966th of 1,089

Family

The product line

Pentium G Series

Pentium

Release date

The official date of release of this chip

2012 August

Memory Type

The type of memory used by this chip

DDR3-1333

DDR3-1066

Supports ECC memory

Does this CPU support error correcting memory

Yes

Pentium G2120 vs Pentium G645 specs and performance

In our benchmarks, the Pentium G645 beats the Pentium G2120 in overall performance. Despite this, the Pentium G2120 has the advantage in our gaming benchmark.

Info from our database shows that they both have the same core count and the same number of threads. Our comparison shows that the Pentium G2120 has a slightly higher clock speed compared to the Pentium G645. A Pentium G2120 CPU outputs less heat than a Pentium G645 CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. For instance, the Pentium G2120 has the same number of threads as cores. This means the the CPU does not support hyperthreading.