Pentium III 1266S vs E2-3200

Place in the ranking	2800	3242
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Power efficiency	0.89	0.60
Architecture codename	Llano (2011−2012)	Tualatin (2000−2002)
Release date	7 September 2011 (13 years ago)	July 2001 (23 years ago)

Detailed specifications

E2-3200 and Pentium III 1266S 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)	1 (Single-Core)
Threads	2	1
Base clock speed	2.4 GHz	no data
Boost clock speed	2.4 GHz	1.27 GHz
L1 cache	128 KB (per core)	8 KB
L2 cache	512 KB (per core)	512 KB
L3 cache	0 KB	0 KB
Chip lithography	32 nm	130 nm
Die size	228 mm²	80 mm²
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	1,178 million	44 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on E2-3200 and Pentium III 1266S 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	FM1	370
Power consumption (TDP)	65 Watt	30 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by E2-3200 and Pentium III 1266S are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by E2-3200 and Pentium III 1266S. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Radeon HD 6370D

no data

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.

E2-3200 0.61
+221%

Pentium III 1266S 0.19

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.

E2-3200 968
+213%

Pentium III 1266S 309

Gaming performance

Pros & cons summary

Performance score	0.61	0.19
Physical cores	2	1
Threads	2	1
Chip lithography	32 nm	130 nm
Power consumption (TDP)	65 Watt	30 Watt

E2-3200 has a 221.1% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 306.3% more advanced lithography process.

Pentium III 1266S, on the other hand, has 116.7% lower power consumption.

The E2-3200 is our recommended choice as it beats the Pentium III 1266S in performance tests.

Should you still have questions on choice between E2-3200 and Pentium III 1266S, ask them in Comments section, and we shall answer.