AMD Phenom II X4 650T socket: Socket AM3
The AMD Phenom II X4 650T uses the Socket AM3 socket. It is a Zosma quad at 2.7 GHz to 3.2 GHz and 95 W with 4 MB of L3 cache.
- Socket
- Socket AM3
- Launched
- July 2011
- Cores and threads
- 4 and 4
- Default TDP
- 95 W
- Codename
- Zosma
- Segment
- Desktop
- Family
- AMD Phenom II
- Clocks
- 2.7 / 3.2 GHz
AMD Phenom II X4 650T specifications
| Cores | 4 |
|---|---|
| Threads | 4 |
| Core architecture | K10 Zosma cores on 45 nm |
| Clocks | 2.7 GHz base, up to 3.2 GHz Turbo Core |
| Cache | 4 MB L3 (plus 2 MB L2) |
| Default TDP | 95 W |
| Manufacturing process | 45 nm |
| Memory support | DDR2-1066 and DDR3-1333, two channels |
| PCI Express | PCIe x16 slots from the 7 and 8 series chipset |
| Integrated graphics | None (chipset or separate card) |
| Multiplier | Locked |
| Package | Socket AM3 (PGA, 941 contacts) |
Motherboard and chipset compatibility
AMD Phenom II X4 650T needs a motherboard with a Socket AM3 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| 7 and 8 series | 7-Series, 8-Series | Works out of the box |
Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for Socket AM3.
Socket AM3 at a glance
| Type | PGA, 941 contacts |
|---|---|
| Package size | 40 × 40 mm |
| Introduced | February 2009 |
| Memory | DDR2 up to PC2-8500 and DDR3 up to PC3-10600 |
| Cooler mounting holes | 48 × 96 mm |
What the Phenom II X4 650T is
AMD Phenom II X4 650T is a quad core Zosma processor that shipped in 2011 for OEM desktops, with retail traces from July. It uses the K10 core design on a 45 nm process, running at 2.7 GHz base with Turbo Core to 3.2 GHz. The cache is 4 MB of shared L3 plus 2 MB of L2. Power is 95 W. The tray carries part number HD650TWFK4FGR on a Zosma E0 stepping, a Thuban harvest with two cores and 2 MB of L3 disabled. The HyperTransport link runs at 2.0 GHz, and the 938-pin package fits the 941-hole AM3 socket as well as 942-contact AM3+ sockets. Zosma quads are Thuban harvests with two cores and 2 MB of L3 disabled, and the 650T is the only chip in this batch with Turbo Core. The multiplier is locked since it is not a Black Edition.
Turbo Core lifts lightly threaded work to 3.2 GHz while all core loads sit near 2.7 GHz. The 4 MB L3 sits between Propus parts with none and Deneb parts with 6 MB, which shows in games that reuse data. The chip keeps the dual channel DDR2 and DDR3 controller. No retail AMD page exists since it is OEM only, so the Wikipedia Phenom list plus the CPU-Upgrade family table carry the facts used here.
Towers pair it with 880G or 890GX boards and a discrete card. The 4 MB L3 trims reloads in games that reuse data, which is where Zosma pulls ahead of Propus quads. Fixed firmware should carry a BIOS new enough to recognize the E0 stepping and its turbo tables. The LGA, PGA and BGA: CPU package types explained guide places this PGA desktop part against BGA mobile forms.
Socket and motherboard compatibility
The Phenom II X4 650T drops into Socket AM3 on 7 and 8 series boards with Zosma support. AM3 processors also fit AM3+ boards. Check the maker CPU list for E0 stepping support, since older BIOS releases may run the chip without recognizing its Turbo Core tables.
Power at 95 W suits standard tower boards with a full size cooler. Common homes include 880G and 890GX boards with BIOS new enough to recognize E0 stepping turbo tables. Four 4 GB UDIMMs give the practical 16 GB ceiling on most AM3 boards. The Socket vs chipset: what decides whether a CPU works guide covers AMD pairing rules.
Memory, PCIe and cooling
Memory support is DDR2-1066 and DDR3-1333 over two channels. Two matched modules feed four cores and the shared L3.
PCI Express slots come from the 7 and 8 series chipset. Chipset video covers office monitors, while a mainstream card of the era pairs without waste.
Cooling follows the 95 W rating with a larger stock heatsink on the shared mount. Turbo bursts to 3.2 GHz need fair case airflow.
Upgrade paths
On Socket AM3 the Phenom II X4 650T can move to Deneb parts with 6 MB of L3 on the same board for games that reuse data. Memory and storage carry over. A Deneb comparison is AMD Phenom II X4 975 BE on the same socket.
A platform move to AM3+ keeps DDR3 while adding FX parts. Keep the AM3 tower for office and OEM duty.
Frequently asked questions
What socket does the AMD Phenom II X4 650T use?
It uses Socket AM3. It also fits AM3+ boards that accept AM3 chips.
Does the Phenom II X4 650T have Turbo Core?
Yes. Base is 2.7 GHz with Turbo Core to 3.2 GHz. It is the only chip in this batch with turbo.
How much L3 cache does the Phenom II X4 650T have?
4 MB shared plus 2 MB of L2. It is a Thuban harvest with 2 MB of L3 disabled.
Is the Phenom II X4 650T unlocked?
No. The multiplier is locked since it is not a Black Edition.
Sources and verification
Facts last checked against these sources on . Page last edited on .