AMD Phenom II X4 840T

Benchmarks for the AMD Phenom II X4 840T 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 AMD Phenom II X4 840T Good for Gaming?

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

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AMD Phenom II X4 840T

Description:

Class: Desktop

Socket: AM2+/AM3

Clockspeed: 2.9 GHz

Turbo Speed: 3.2 GHz

Cores: 4 Threads: 4

Typical TDP: 95 W

Cache per CPU Package:
L1 Instruction Cache: 4 x 64 KB
L1 Data Cache: 4 x 64 KB
L2 Cache: 4 x 512 KB
L3 Cache: 6 MB

Other names: AMD Phenom(tm) II X4 840T Processor

CPU First Seen on Charts: Q4 2010

CPUmark/$Price: 40.68

Overall Rank:
3025th fastest in multithreading out of 5150 CPUs
2881st fastest in single threading out of 5150 CPUs
878th fastest in out of 1449 Desktop CPUs

Last Price Change: $58.02 USD (2022-04-09)

Average CPU Mark rating

Multithread Rating

2360

Single Thread Rating

1272

Samples: 158*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 3,468
Thread: 1,047

CPU Test Suite Average Results for AMD Phenom II X4 840T

Integer Math	6,595 MOps/Sec
Floating Point Math	4,794 MOps/Sec
Find Prime Numbers	15 Million Primes/Sec
Random String Sorting	6,510 Thousand Strings/Sec
Data Encryption	645.3 MBytes/Sec
Data Compression	52,192 KBytes/Sec
Physics	227 Frames/Sec
Extended Instructions	1,179 Million Matrices/Sec
Single Thread	1,272 MOps/Sec

From submitted results to PerformanceTest V10 as of 17th of June 2025.

CPU Mark Distribution for AMD Phenom II X4 840T

Submitted Baseline Distribution Graph as of 17th of June 2025

Not Enough Data from Current Version of PerformanceTest to Create Distribution Graph.

From submitted results since PerformanceTest V10 as of 17th of June 2025.

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Pricing History

CPU Mark Relative to Top 10 Common Desktop CPUs
As of 18th of June 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i9-13900K		58,660
Intel Core i9-12900K		41,299
AMD Ryzen 9 5900X		39,018
Apple M1 Max 10 Core 3200 MHz		22,151
AMD Ryzen 5 5600X		21,861
Intel Core i5-12400F		19,484
Intel Core i9-9900K @ 3.60GHz		18,165
AMD Ryzen 5 3600		17,705
Apple M2 8 Core 3500 MHz		15,650
Apple M1 8 Core 3200 MHz		14,145
AMD Phenom II X4 840T		2,360

CPU Value (CPU Mark / $Price )
As of 18th of June 2025 - Higher results represent better value
Processor	CPU Mark / $Price
AMD Ryzen 5 3600		227.01
Intel Core i5-12400F		186.45
AMD Ryzen 5 5600X		168.81
AMD Ryzen 9 5900X		156.70
Intel Core i9-12900K		136.18
Intel Core i9-13900K		129.68
Intel Core i9-9900K @ 3.60GHz		50.46
AMD Phenom II X4 840T		40.68
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M1 Max 10 Core 3200 MHz		NA

Single Thread Rating
As of 18th of June 2025 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core i9-13900K		4,610
Intel Core i9-12900K		4,138
Apple M2 8 Core 3500 MHz		3,900
Apple M1 Max 10 Core 3200 MHz		3,837
Apple M1 8 Core 3200 MHz		3,680
Intel Core i5-12400F		3,477
AMD Ryzen 9 5900X		3,469
AMD Ryzen 5 5600X		3,364
Intel Core i9-9900K @ 3.60GHz		2,921
AMD Ryzen 5 3600		2,563
AMD Phenom II X4 840T		1,272

Last 5 Baselines for AMD Phenom II X4 840T
Most recent listed first
Baseline	CPU Mark
BL2249056 - Nov 18 2024		2655
BL2248881 - Nov 18 2024		2616
BL2140905 - Jul 09 2024		2542
BL2135432 - Jul 01 2024		2544
BL2119158 - Jun 08 2024		2554

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

Popular comparisons for AMD Phenom II X4 840T
As of 18th of June 2025 - Higher results represent better performance
Processor	Average CPU Mark
AMD Phenom II X4 840T		2,360
AMD Athlon II X4 640 vs AMD Phenom II X4 840T		2,266 (-4.0%)
Intel Core i3-2100 @ 3.10GHz vs AMD Phenom II X4 840T		1,856 (-21.4%)
AMD Phenom II X4 975 vs AMD Phenom II X4 840T		2,610 (+10.6%)
AMD Athlon II X4 645 vs AMD Phenom II X4 840T		2,372 (+0.5%)
Intel Core i5-650 @ 3.20GHz vs AMD Phenom II X4 840T		2,254 (-4.5%)
AMD A8-5600K APU vs AMD Phenom II X4 840T		2,869 (+21.5%)
AMD Phenom II X4 965 vs AMD Phenom II X4 840T		2,662 (+12.8%)
AMD Phenom II X4 955 vs AMD Phenom II X4 840T		2,537 (+7.5%)
Intel Core i5-750 @ 2.67GHz vs AMD Phenom II X4 840T		2,535 (+7.4%)
AMD Phenom II X4 945 vs AMD Phenom II X4 840T		2,414 (+2.3%)
Intel Core2 Quad Q9550 @ 2.83GHz vs AMD Phenom II X4 840T		2,350 (-0.4%)
Intel Core i3-3220 @ 3.30GHz vs AMD Phenom II X4 840T		2,275 (-3.6%)

Is the AMD Phenom II X4 840T Good for Gaming?
As of 18th of June 2025 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9900X3D		12,483
AMD Ryzen 7 9800X3D		12,152
AMD Ryzen 9 9950X3D		11,302
AMD Ryzen 9 7900X3D		10,842
Intel Core Ultra 9 285K		10,587
AMD Ryzen 5 7600X3D		10,485
AMD Ryzen 7 7800X3D		10,277
AMD Ryzen 9 7950X3D		9,805
AMD Ryzen 9 9955HX3D		9,768
Intel Core Ultra 5 245K		9,656
Intel Core Ultra 7 265K		9,521
Intel Core Ultra 9 285		9,493
AMD Phenom II X4 840T		366

CPU Benchmarks

CPU Benchmarks

AMD Phenom II X4 840T

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CPU Test Suite Average Results for AMD Phenom II X4 840T

CPU Mark Distribution for AMD Phenom II X4 840T

Pricing History