Phenom II X6 1055T (95W) vs Phenom X4 9550

Aggregate performance score

Phenom X4 9550
2008
4 cores / 4 threads, 95 Watt
1.04
Phenom II X6 1055T (95W)
2010
6 cores / 6 threads, 95 Watt
3.13
+201%

Phenom II X6 1055T (95W) outperforms Phenom X4 9550 by a whopping 201% based on our aggregate benchmark results.

Primary details

Comparing Phenom X4 9550 and Phenom II X6 1055T (95W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking24451626
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.043.12
Architecture codenameAgena (2007−2008)Thuban (2010)
Release dateMarch 2008 (16 years ago)1 May 2010 (14 years ago)

Detailed specifications

Phenom X4 9550 and Phenom II X6 1055T (95W) 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 cores4 (Quad-Core)6 (Hexa-Core)
Threads46
Base clock speedno data2.8 GHz
Boost clock speed2.2 GHz3.3 GHz
L1 cache128 KB (per core)128 KB (per core)
L2 cache512 KB (per core)512 KB (per core)
L3 cache2 MB (shared)6 MB (shared)
Chip lithography65 nm45 nm
Die size285 mm2346 mm2
Number of transistors450 million904 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom X4 9550 and Phenom II X6 1055T (95W) 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 configuration11
SocketAM2+AM3
Power consumption (TDP)95 Watt95 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom X4 9550 and Phenom II X6 1055T (95W) are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom X4 9550 and Phenom II X6 1055T (95W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3

Peripherals

Specifications and connection of peripherals supported by Phenom X4 9550 and Phenom II X6 1055T (95W).

PCIe versionno data2.0

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 X4 9550 1.04
Phenom II X6 1055T (95W) 3.13
+201%

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.

Phenom X4 9550 1656
Phenom II X6 1055T (95W) 4965
+200%

Gaming performance

Pros & cons summary


Performance score 1.04 3.13
Physical cores 4 6
Threads 4 6
Chip lithography 65 nm 45 nm

Phenom II X6 1055T (95W) has a 201% higher aggregate performance score, 50% more physical cores and 50% more threads, and a 44.4% more advanced lithography process.

The Phenom II X6 1055T (95W) is our recommended choice as it beats the Phenom X4 9550 in performance tests.


Should you still have questions on choice between Phenom X4 9550 and Phenom II X6 1055T (95W), ask them in Comments section, and we shall answer.

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AMD Phenom X4 9550
Phenom X4 9550
AMD Phenom II X6 1055T (95W)
Phenom II X6 1055T (95W)

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Community ratings

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