Over 1,000,000 CPUs benchmarked
The AMD Phenom II X2 B55 is newer than AMD Athlon II X2 245 also around 6% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Phenom II X2 B55 uses around 21% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 602 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
Compare the performance of up to 5 different CPUs
Compare List | |
1: AMD Phenom II X2 B55 | |
2: AMD Athlon II X2 245 | |
×AMD Phenom II X2 B55 | ×AMD Athlon II X2 245 | + ADD | |
---|---|---|---|
Price | Search Online | Search Online | |
Socket Type | AM3 | AM2+/AM3 | |
CPU Class | Desktop | Desktop | |
Clockspeed | 3.0 GHz | 2.9 GHz | |
Turbo Speed | Not Supported | Not Supported | |
# of Physical Cores | 2 (Threads: 2) | 2 (Threads: 2) | |
Cache | L1: 256KB, L2: 1.0MB, L3: 6MB | L1: 256KB, L2: 2.0MB, | |
TDP | 80W | 65W | |
Yearly Running Cost | $14.60 | $11.86 | |
Other | |||
First Seen on Chart | Q4 2009 | Q3 2009 | |
# of Samples | 66 | 536 | |
CPU Value | 31.1 | 27.8 | |
Single Thread Rating(% diff. to max in group) | 12013(0.0%) | 11503(-4.3%) | |
CPU Mark(% diff. to max in group) | 1183(0.0%) | 1110(-6.2%) |
AMD Phenom II X2 B55 | 1,183 | |
AMD Athlon II X2 245 | 1,110 | |
PassMark Software © 2008-2025 |
AMD Phenom II X2 B55 | 31.1 | |
AMD Athlon II X2 245 | 27.8 | |
PassMark Software © 2008-2025 |
AMD Phenom II X2 B55 | 1,201 | |
AMD Athlon II X2 245 | 1,150 | |
PassMark Software © 2008-2025 |
AMD Phenom II X2 B55 | AMD Athlon II X2 245 | |
---|---|---|
Max TDP | 80W | 65W |
Power consumption per day (kWh) | 0.16 | 0.13 |
Running cost per day | $0.040 | $0.033 |
Power consumption per year (kWh) | 58.4 | 47.5 |
Running cost per year | $14.60 | $11.86 |