Sempron LE-1250 vs Core 2 Quad Q9550

Place in the ranking	2170	3250
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Series	Core 2 Quad (Desktop)	no data
Power efficiency	1.46	0.40
Architecture codename	Yorkfield (2007−2009)	Sparta (2007)
Release date	no data	October 2007 (17 years ago)
Launch price (MSRP)	no data	$29

Detailed specifications

Core 2 Quad (Desktop) Q9550 and Sempron LE-1250 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)	1 (Single-Core)
Threads	4	1
Boost clock speed	2.83 GHz	2.2 GHz
Bus rate	1333 MHz	no data
L1 cache	64K (per core)	128 KB
L2 cache	12288 KB	512 KB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	65 nm
Die size	2x 107 mm²	no data
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	820 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core 2 Quad (Desktop) Q9550 and Sempron LE-1250 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	LGA775	AM2
Power consumption (TDP)	95 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Sempron LE-1250. 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 Core 2 Quad (Desktop) Q9550 and Sempron LE-1250. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR1,DDR2,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.

Core 2 Quad Q9550 1.47
+674%

Sempron LE-1250 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.

Core 2 Quad Q9550 2338
+677%

Sempron LE-1250 301

Gaming performance

Pros & cons summary

Performance score	1.47	0.19
Physical cores	4	1
Threads	4	1
Chip lithography	45 nm	65 nm
Power consumption (TDP)	95 Watt	45 Watt

Core 2 Quad Q9550 has a 673.7% higher aggregate performance score, 300% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.

Sempron LE-1250, on the other hand, has 111.1% lower power consumption.

The Core 2 Quad Q9550 is our recommended choice as it beats the Sempron LE-1250 in performance tests.

Should you still have questions on choice between Core 2 Quad Q9550 and Sempron LE-1250, ask them in Comments section, and we shall answer.