Athlon II X2 250 vs Phenom X3 8400

Place in performance ranking	2522	2573
Place by popularity	not in top-100	not in top-100
Value for money	7.32	3.61
Market segment	Desktop processor	Desktop processor
Architecture codename	Toliman (2008)	Regor (2009−2013)
Release date	March 2008 (16 years old)	June 2009 (14 years old)
Launch price (MSRP)	no data	$39
Current price	$9.95	$24 (0.6x MSRP)

Value for money

Performance per price, higher is better.

Phenom X3 8400 has 103% better value for money than Athlon II X2 250.

Technical specs

Phenom X3 8400 and Athlon II X2 250 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 cores	3 (Tri-Core)	2 (Dual-core)
Threads	3	2
Boost clock speed	2.1 GHz	3 GHz
L1 cache	128 KB (per core)	256 KB
L2 cache	512 KB (per core)	2 MB
L3 cache	2 MB (shared)	0 KB
Chip lithography	65 nm	45 nm
Die size	285 mm²	117 mm²
Number of transistors	450 million	410 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Phenom X3 8400 and Athlon II X2 250 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 configuration	1	1
Socket	AM2+	AM3
Power consumption (TDP)	95 Watt	65 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom X3 8400 and Athlon II X2 250 are enumerated here.

AMD-V

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom X3 8400 and Athlon II X2 250. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3

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.

Phenom X3 8400 0.76
+7%

Athlon II X2 250 0.71

Phenom X3 8400 outperforms Athlon II X2 250 by 7% based on our aggregated 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%

Phenom X3 8400 1164
+7.8%

Athlon II X2 250 1080

Phenom X3 8400 outperforms Athlon II X2 250 by 8% 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%

Phenom X3 8400 190

Athlon II X2 250 305
+60.5%

Athlon II X2 250 outperforms Phenom X3 8400 by 61% 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%

Phenom X3 8400 540
+2.1%

Athlon II X2 250 529

Phenom X3 8400 outperforms Athlon II X2 250 by 2% in GeekBench 5 Multi-Core.