Pentium III 1400 vs Pentium Dual T4500

Place in the ranking	2584	3362
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Pentium Dual Core	no data
Power efficiency	2.27	0.37
Architecture codename	Penryn (2008−2011)	Tualatin (2000−2002)
Release date	1 January 2010 (14 years ago)	December 2001 (23 years ago)

Detailed specifications

Pentium Dual Core T4500 and Pentium III 1400 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	2.3 GHz	no data
Boost clock speed	2.3 GHz	1.4 GHz
Bus rate	800 MHz	no data
L1 cache	128 KB	8 KB
L2 cache	1 MB	256 KB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	130 nm
Die size	107 mm²	80 mm²
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	410 million	44 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Pentium Dual Core T4500 and Pentium III 1400 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	P	370
Power consumption (TDP)	35 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Dual Core T4500 and Pentium III 1400. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T4500 and Pentium III 1400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

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.

Pentium Dual T4500 0.84
+600%

Pentium III 1400 0.12

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.

Pentium Dual T4500 1336
+592%

Pentium III 1400 193

Gaming performance

Pros & cons summary

Performance score	0.84	0.12
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	130 nm
Power consumption (TDP)	35 Watt	31 Watt

Pentium Dual T4500 has a 600% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 188.9% more advanced lithography process.

Pentium III 1400, on the other hand, has 12.9% lower power consumption.

The Pentium Dual Core T4500 is our recommended choice as it beats the Pentium III 1400 in performance tests.

Be aware that Pentium Dual Core T4500 is a notebook processor while Pentium III 1400 is a desktop one.

Should you still have questions on choice between Pentium Dual Core T4500 and Pentium III 1400, ask them in Comments section, and we shall answer.