Phenom II X4 820 vs Phenom II X4 925

Place in performance ranking	2043	2115
Place by popularity	not in top-100	not in top-100
Value for money	4.81	2.10
Market segment	Desktop processor	Desktop processor
Architecture codename	Deneb (2009−2011)	Deneb (2009−2011)
Release date	May 2009 (14 years old)	September 2009 (14 years old)
Launch price (MSRP)	$160	$90
Current price	$35 (0.2x MSRP)	$36 (0.4x MSRP)

Value for money

Performance per price, higher is better.

Phenom II X4 925 has 129% better value for money than Phenom II X4 820.

Technical specs

Phenom II X4 925 and Phenom II X4 820 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	4 (Quad-Core)	4 (Quad-Core)
Threads	4	4
Boost clock speed	2.8 GHz	2.8 GHz
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	6 MB (shared)	4 MB (shared)
Chip lithography	45 nm	45 nm
Die size	258 mm²	258 mm²
Number of transistors	758 million	758 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Phenom II X4 925 and Phenom II X4 820 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	AM3	AM3
Power consumption (TDP)	95 Watt	95 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 925 and Phenom II X4 820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

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 II X4 925 1.48
+8.8%

Phenom II X4 820 1.36

Phenom II X4 925 outperforms Phenom II X4 820 by 9% 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 II X4 925 2271
+8.9%

Phenom II X4 820 2086

Phenom II X4 925 outperforms Phenom II X4 820 by 9% 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 II X4 925 321

Phenom II X4 820 376
+17.1%

Phenom II X4 820 outperforms Phenom II X4 925 by 17% 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 II X4 925 941

Phenom II X4 820 1282
+36.2%

Phenom II X4 820 outperforms Phenom II X4 925 by 36% in GeekBench 5 Multi-Core.