Ryzen 9 9900X vs Phenom II X6 1075T

VS

Aggregate performance score

Phenom II X6 1075T
2010
6 cores / 6 threads, 125 Watt
2.16
Ryzen 9 9900X
2024
12 cores / 24 threads, 120 Watt
34.52
+1498%

Ryzen 9 9900X outperforms Phenom II X6 1075T by a whopping 1498% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X6 1075T and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1858109
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.2266.82
Market segmentDesktop processorDesktop processor
Power efficiency1.6327.21
Architecture codenameThuban (2010)Granite Ridge (2024)
Release date21 September 2010 (14 years ago)15 August 2024 (less than a year ago)
Launch price (MSRP)$260$499

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 9900X has 30273% better value for money than Phenom II X6 1075T.

Detailed specifications

Phenom II X6 1075T and Ryzen 9 9900X 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 cores6 (Hexa-Core)12 (Dodeca-Core)
Threads624
Base clock speed3 GHz4.4 GHz
Boost clock speed3.5 GHz5.6 GHz
L1 cache128 KB (per core)80 KB (per core)
L2 cache512 KB (per core)1 MB (per core)
L3 cache6 MB (shared)64 MB (shared)
Chip lithography45 nm4 nm
Die size346 mm22x 70.6 mm2
Maximum core temperatureno data95 °C
Number of transistors904 million16,630 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Phenom II X6 1075T and Ryzen 9 9900X 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
SocketAM3AM5
Power consumption (TDP)125 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X6 1075T and Ryzen 9 9900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataSMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X6 1075T and Ryzen 9 9900X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X6 1075T and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Phenom II X6 1075T and Ryzen 9 9900X.

PCIe version2.05.0
PCI Express lanesno data24

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 II X6 1075T 2.16
Ryzen 9 9900X 34.52
+1498%

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 II X6 1075T 3438
Ryzen 9 9900X 54828
+1495%

Gaming performance

Pros & cons summary


Performance score 2.16 34.52
Recency 21 September 2010 15 August 2024
Physical cores 6 12
Threads 6 24
Chip lithography 45 nm 4 nm
Power consumption (TDP) 125 Watt 120 Watt

Ryzen 9 9900X has a 1498.1% higher aggregate performance score, an age advantage of 13 years, 100% more physical cores and 300% more threads, a 1025% more advanced lithography process, and 4.2% lower power consumption.

The Ryzen 9 9900X is our recommended choice as it beats the Phenom II X6 1075T in performance tests.


Should you still have questions on choice between Phenom II X6 1075T and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Phenom II X6 1075T
Phenom II X6 1075T
AMD Ryzen 9 9900X
Ryzen 9 9900X

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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