Phenom II X2 B55 vs Core 2 Duo E6850

Place in performance ranking	2549	2507
Place by popularity	not in top-100	not in top-100
Value for money	0.42	2.02
Market segment	Desktop processor	Desktop processor
Series	Core 2 Duo (Desktop)	no data
Architecture codename	Conroe (2006−2007)	Callisto (2009−2010)
Release date	no data	October 2009 (14 years old)
Launch price (MSRP)	no data	$48
Current price	$182	$23 (0.5x MSRP)

Value for money

Performance per price, higher is better.

Phenom II X2 B55 has 381% better value for money than Core 2 Duo E6850.

Technical specs

Core 2 Duo E6850 and Phenom II X2 B55 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	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Boost clock speed	3 GHz	3 GHz
Bus support	1333 MHz	no data
L1 cache	no data	128 KB (per core)
L2 cache	no data	512 KB (per core)
L3 cache	no data	6 MB (shared)
Chip lithography	65 nm	45 nm
Die size	no data	258 mm²
Number of transistors	no data	758 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core 2 Duo E6850 and Phenom II X2 B55 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	no data	1
Socket	no data	AM3
Power consumption (TDP)	65 Watt	80 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6850 and Phenom II X2 B55. 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.

Core 2 Duo E6850 0.73

Phenom II X2 B55 0.77
+5.5%

Phenom II X2 B55 outperforms Core 2 Duo E6850 by 5% 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%

Core 2 Duo E6850 1118

Phenom II X2 B55 1183
+5.8%

Phenom II X2 B55 outperforms Core 2 Duo E6850 by 6% 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%

Core 2 Duo E6850 333

Phenom II X2 B55 383
+15%

Phenom II X2 B55 outperforms Core 2 Duo E6850 by 15% 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%

Core 2 Duo E6850 552

Phenom II X2 B55 687
+24.5%

Phenom II X2 B55 outperforms Core 2 Duo E6850 by 24% in GeekBench 5 Multi-Core.