Amd Phenom X4 Cpu
Overview
Product sourcing insights & recommendations
The AMD Phenom X4 series, particularly the Phenom II X4, remains a significant milestone in CPU history, transitioning from a high-performance flagship to a niche collector's and budget secondary market item by 2026.
Product Overview & Architecture
* Monolithic Quad-Core: The original Phenom X4 (Agena, 65nm) was AMD's first native quad-core desktop processor WikichipWikipedia.
* Refinement with Phenom II: The Phenom II X4 (Deneb, 45nm) addressed earlier stability issues like the TLB bug and significantly boosted clock speeds (up to 3.7 GHz) and L3 cache (6 MB) WikipediaWikipedia.
* Socket Versatility: These CPUs were notable for their cross-generation compatibility, supporting both DDR2 (AM2+) and DDR3 (AM3) memory Tomshardware.
Market Trends & Insights (2026)
* Secondary Market Value: Phenom X4 processors currently trade as budget-tier hardware. Bulk used units (e.g., Phenom II X4 955) are available for $6–$25 per unit depending on model and quantity AlibabaAlibaba.
* Collector & Enthusiast Appeal: The "Black Edition" models (unlocked multipliers) retain interest among retro-hardware hobbyists and for extreme overclocking demonstrations, where they historically reached over 7 GHz under liquid nitrogen Wikipedia.
* End of Software Lifespan: A critical market shift in 2026 is the lack of SSE 4.2 support. Modern operating systems (like Windows 11 24H2) and many recent games/applications now strictly require the SSE 4.2 instruction set, which the Phenom II lacks (supporting only up to SSE 4a) NeowinElevenforum.
Performance in 2026
* Gaming: While capable of running older eSports titles and games released before 2020 at modest settings, the series struggles with modern AAA titles due to low IPC (Instructions Per Clock) and the hardware-level instruction set requirements RedditUserbenchmark.
* Productivity: These processors are suitable for lightweight tasks such as basic web browsing, office suites, and dedicated server roles (e.g., home NAS or light Linux servers). However, they are significantly outperformed by modern entry-level CPUs (like the Ryzen 3 or Core i3 series) which offer much higher efficiency Cpubenchmark.
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Sources & References
53 sources cited · Verified industry data & reports
List of AMD Phenom processors - Wikipedia
en.wikipedia.org
Other related processors based on the K10 microarchitecture include the Athlon X2 Kuma processors, Athlon II processors, and various Opteron, Sempron, and Turion series. The first Phenoms were released in November 2007. An improved second generation was released in December 2008, named Phenom II. Processors with an e following the model number (e.g., 910e) are low-power models, usually 45 W for Athlons, 65 W for Phenoms. Most Regor-based processors feature double the L2 cache per core (1 MB) as other Athlon II and Phenom II processors. Unlike Phenom II desktop processors, Phenom II mobile processors lack L3 cache.
Phenom X4 - AMD - WikiChip
en.wikichip.org
This was AMD's first series of quad-core desktop microprocessors based on the K10 microarchitecture. Introduced in 2007, all Phenom X4 processors were based on the K10 microarchitecture. Retrieved from "https://en.wikichip.org/w/index.php?title=amd/phenom_x4&oldid=103358"
AMD Phenom - Wikipedia
en.wikipedia.org
Phenom (/fɪˈnɒm/) is the 64-bit AMD desktop processor line based on the K10 microarchitecture, in what AMD calls family 10h (10 hex, i.e. 16 in normal decimal numbers) processors, sometimes incorrectly called "K10h". Triple-core versions (codenamed Toliman) belong to the Phenom 8000 series and quad cores (codenamed Agena) to the AMD Phenom X4 9000 series. ↑ "High Performance AMD Phenom X4 Processors Lead the Charge to HD Desktop Gaming and Video". "Phenom TLB patch benchmarked". The Tech Report. ↑ "Final AMD "Stars" Models Unveiled". DailyTech. May 4, 2007. Archived from the original on 2007-05-09. Retrieved 2007-05-07. ↑ "AMD Expands Upcoming Processor Branding". DailyTech. June 4, 2007. Archived from the original on 2007-08-23. Retrieved 2007-08-08. ↑ "How to decipher AMD's new CPU naming code". Before Phenom's original release a flaw was discovered in the translation lookaside buffer (TLB) that could cause a system lock-up in rare circumstances; Phenom processors up to and including stepping "B2" and "BA" are affected by this bug. BIOS and software workarounds disable the TLB, and typically incur a performance penalty of at least 10%. This penalty was not accounted for in pre-release previews of Phenom, hence the performance of early Phenoms delivered to customers may have been less than the preview benchmarks.
AMD Phenom X4 microprocessor family
www.cpu-world.com
AMD Phenom II X4 microprocessor family
www.cpu-world.com
Phenom II - Wikipedia
en.wikipedia.org
The Phenom II range of CPUs is the first series of AMD CPUs to have a low enough minimum temperature of operation to support "extreme" cooling methods such as dry ice, liquid nitrogen or liquid helium, a deficiency in older CPUs referred to as the "Cold Bug". In a public demonstration of the Phenom II's overclocking potential at CES 2009 in Las Vegas on 10 January 2009, Sami "Macci" Mäkinen (a record-breaking overclocker) used a Phenom II X4 940 and a DFI LANParty 790FXB-M2RS with a combination of liquid nitrogen and liquid helium cooling to take the processor to a clock rate of 6.5 GHz and succeeded in beating the world record 3DMark 2005 score with a total of 45474. During the process, the group used the Asus M4A79T Deluxe motherboard, dubbed as the Asus “multidimensional performance platform” featuring support for an AMD 140W CPU and the AMD 790FX/SB750 chipset. As a result, the group reached 7.127 GHz, beating the previous score of 6.7 GHz. Note that these extreme overclocks involve specialized equipment and are nowhere near what the average consumer could expect using traditional air cooling even with expensive third party cooling fans. For instance, maximum overclocking on a Phenom II X4 955 processor using a heatsink and fan is approximately 4 GHz. A group named LimitTeam successfully overclocked AMD’s Deneb 45 nm Phenom II X4 955 processor (Black Edition) on April 30, 2009, and submitted the results for validation to CPU-Z. MMX, extended 3DNow!, SSE, SSE2, SSE3, SSE4a, AMD64, Cool'n'Quiet, NX bit, AMD-V ... Unknown, only released to certain OEMs. ... Models: Phenom II X4 650T, Phenom II X4 840T, Phenom II X4 960T BE and Phenom II X4 970 BE (E0 stepping) Phenom II is a family of AMD's multi-core 45 nm processors using the AMD K10 microarchitecture, succeeding the original Phenom. Advanced Micro Devices released the Socket AM2+ version of Phenom II in December 2008, while Socket AM3 versions with DDR3 support, along with an initial batch of ...