Intel Pentium G840 @ 2.80GHz

Benchmarks for the Intel Pentium G840 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the Intel Pentium G840 @ 2.80GHz Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]

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Intel Pentium G840 @ 2.80GHz

Description:

Class: Desktop

Socket: FCLGA1155

Clockspeed: 2.8 GHz

Cores: 2 Threads: 2

Typical TDP: 65 W

Cache per CPU Package:
L1 Instruction Cache: 4 x 32 KB
L1 Data Cache: 4 x 32 KB
L2 Cache: 4 x 256 KB
L3 Cache: 3 MB

Other names: Intel(R) Pentium(R) CPU G840 @ 2.80GHz

CPU First Seen on Charts: Q2 2011

CPUmark/$Price: 2.46

Overall Rank:
4084th fastest in multithreading out of 5791 CPUs
3124th fastest in single threading out of 5791 CPUs
1174th fastest in out of 1554 Desktop CPUs

Last Price Change: $558.76 USD (2025-10-28)

Average CPU Mark rating

Multithread Rating

1375

Single Thread Rating

1294

Samples: 239*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 2,477
Thread: 1,457

CPU Test Suite Average Results for Intel Pentium G840 @ 2.80GHz

Integer Math	5,321 MOps/Sec
Floating Point Math	2,946 MOps/Sec
Find Prime Numbers	11 Million Primes/Sec
Random String Sorting	3,519 Thousand Strings/Sec
Data Encryption	282.9 MBytes/Sec
Data Compression	26,542 KBytes/Sec
Physics	183 Frames/Sec
Extended Instructions	924 Million Matrices/Sec
Single Thread	1,294 MOps/Sec

From submitted results to PerformanceTest V10 as of 18th of February 2026.

CPU Mark Distribution for Intel Pentium G840 @ 2.80GHz

Submitted Baseline Distribution Graph as of 11th of February 2026

From submitted results since PerformanceTest V10 as of 11th of February 2026.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

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Pricing History

CPU Mark Relative to Top 10 Common Desktop CPUs
As of 18th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i9-14900K		58,444
Intel Core i9-13900K		58,279
AMD Ryzen 9 5900X		38,939
Apple M4 10 Core		23,699
AMD Ryzen 5 5600X		21,844
Intel Core i5-12400F		19,584
Intel Core i9-9900K @ 3.60GHz		18,083
AMD Ryzen 5 3600		17,678
Apple M2 8 Core 3500 MHz		15,643
Apple M1 8 Core 3200 MHz		14,133
Intel Pentium G840 @ 2.80GHz		1,375

CPU Value (CPU Mark / $Price )
As of 18th of February 2026 - Higher results represent better value
Processor	CPU Mark / $Price
AMD Ryzen 5 5600X		136.53
AMD Ryzen 9 5900X		130.23
Intel Core i9-14900K		124.62
Intel Core i5-12400F		122.41
AMD Ryzen 5 3600		117.87
Intel Core i9-13900K		107.93
Intel Core i9-9900K @ 3.60GHz		60.60
Intel Pentium G840 @ 2.80GHz		2.46
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M4 10 Core		NA

Single Thread Rating
As of 18th of February 2026 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core i9-14900K		4,694
Intel Core i9-13900K		4,600
Apple M4 10 Core		4,516
Apple M2 8 Core 3500 MHz		3,886
Apple M1 8 Core 3200 MHz		3,676
Intel Core i5-12400F		3,489
AMD Ryzen 9 5900X		3,467
AMD Ryzen 5 5600X		3,365
Intel Core i9-9900K @ 3.60GHz		2,914
AMD Ryzen 5 3600		2,560
Intel Pentium G840 @ 2.80GHz		1,294

Last 5 Baselines for Intel Pentium G840 @ 2.80GHz
Most recent listed first
Baseline	CPU Mark
BL3231438 - Jan 21 2026		1137
BL3196594 - Jan 08 2026		1573
BL3187159 - Jan 04 2026		1549
BL3186995 - Jan 04 2026		1552
BL3001322 - Oct 24 2025		1581

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for Intel Pentium G840 @ 2.80GHz
As of 18th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Pentium G840 @ 2.80GHz		1,375
AMD Athlon II X2 270 vs Intel Pentium G840		1,337 (-2.8%)
Intel Pentium G620 @ 2.60GHz vs Intel Pentium G840		1,240 (-9.9%)
AMD A4-3400 APU vs Intel Pentium G840		1,075 (-21.8%)
AMD Phenom II X2 565 vs Intel Pentium G840		1,453 (+5.6%)
AMD Phenom II X2 521 vs Intel Pentium G840		1,349 (-1.9%)
AMD Phenom II X2 511 vs Intel Pentium G840		1,265 (-8.0%)
AMD Athlon II X2 250 vs Intel Pentium G840		1,184 (-13.9%)
AMD Athlon II X2 245e vs Intel Pentium G840		1,133 (-17.6%)
Intel Pentium G850 @ 2.90GHz vs Intel Pentium G840		1,494 (+8.7%)
Intel Pentium G860 @ 3.00GHz vs Intel Pentium G840		1,494 (+8.7%)
AMD A6-3500 APU vs Intel Pentium G840		1,439 (+4.7%)
AMD Phenom II X2 560 vs Intel Pentium G840		1,381 (+0.5%)

Is the Intel Pentium G840 @ 2.80GHz Good for Gaming?
As of 18th of February 2026 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9950X3D2		14,501
AMD Ryzen 9 9900X3D		12,432
AMD Ryzen 7 9800X3D		12,123
AMD Ryzen 9 9950X3D		11,257
AMD Ryzen 9 7900X3D		10,794
Intel Core Ultra 7 270K Plus		10,695
AMD Ryzen 5 7600X3D		10,517
Intel Core Ultra 9 285K		10,377
AMD Ryzen 7 7800X3D		10,257
AMD Ryzen 5 7500X3D		10,195
AMD Ryzen 9 9955HX3D		9,783
AMD Ryzen 9 7950X3D		9,780
Intel Pentium G840 @ 2.80GHz		300

CPU Benchmarks

CPU Benchmarks

Intel Pentium G840 @ 2.80GHz

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CPU Test Suite Average Results for Intel Pentium G840 @ 2.80GHz

CPU Mark Distribution for Intel Pentium G840 @ 2.80GHz

Pricing History