AMD Athlon X4 850 socket: Socket FM2+
The AMD Athlon X4 850 uses the Socket FM2+ socket on FM2+ boards. It is a quad core Godavari part at 3.2 GHz and 65 W without graphics for cool running budget towers.
- Socket
- Socket FM2+
- Launched
- July 2015
- Cores and threads
- 4 and 4
- Default TDP
- 65 W
- Codename
- Godavari
- Segment
- Desktop
- Family
- AMD Athlon
- Clocks
- 3.2 / 3.9 GHz
AMD Athlon X4 850 specifications
| Cores | 4 |
|---|---|
| Threads | 4 |
| Core architecture | Steamroller (Godavari) cores on 28 nm |
| Clocks | 3.2 GHz base, up to 3.9 GHz |
| Cache | 4 MB L2 (no L3) |
| Default TDP | 65 W |
| Manufacturing process | 28 nm |
| Memory support | DDR3-2133, two channels |
| PCI Express | PCIe 3.0, 16 lanes (CPU only) |
| Integrated graphics | None (discrete GPU required) |
| Multiplier | Locked |
| Package | Socket FM2+ (PGA, 906 contacts) |
Motherboard compatibility
AMD Athlon X4 850 needs a motherboard with a Socket FM2+ socket. Chipset by chipset data for this codename is not recorded yet. See the Socket FM2+ chipset list and the board maker's CPU support list.
Socket FM2+ at a glance
| Type | PGA, 906 contacts |
|---|---|
| Package size | 40 × 40 mm |
| Introduced | 2014 |
| Memory | DDR3-2133, two channels, ECC not supported |
| Cooler mounting holes | 48 × 96 mm |
What the Athlon X4 850 is
The Athlon X4 850 brings Godavari to FM2+ for cool running budget towers with DDR3. It launched in July 2015 with a 3.2 GHz base and up to 3.9 GHz boost at 65 W. AMD targets office towers that need four cores without graphics at low watts.
Four megabytes of L2 carry office work and light creation. The modest base clock trims heat in small cases. Four threads cover foreground tasks plus background services.
There is no integrated GPU, so a discrete card is required. The process is 28 nm. The multiplier is locked on non-K parts. DDR3-2133 in two channels supports capable boards.
Shops value the part for fleets where power and noise matter. The 65 W rating fits slim towers. A stock cooler runs quietly with front to back airflow.
Socket and motherboard compatibility
The Athlon X4 850 fits Socket FM2+ on FM2+ boards only. A88X and A78 boards list the chip with DDR3 slots and PCIe slots. Makers add Godavari IDs with mid 2015 BIOS builds.
Early stock may need an update before posting. FM2 boards lack support for this part. AM4 boards cannot take this PGA chip. The Socket vs chipset: what decides whether a CPU works guide details matching.
Single socket desktops are the deployment. Growth means another FM2+ quad core on the same board. Display choice stays with the discrete card.
Memory, PCIe and cooling
DDR3-2133 in two channels covers office builds with a discrete card. Dual channel operation helps minimum frame rates. Start with 8 GB for office use.
PCIe 3.0 with 16 lanes from the CPU allows a discrete GPU plus board devices. Most builds pair a low profile card for office displays. Chipset lanes add storage and USB.
Cooling follows the 48 by 96 mm FM2+ pattern in the CPU cooler compatibility by socket guide. A 65 W stock cooler suffices. Keep filters clean.
Upgrade paths
On the same socket, the AMD Athlon X4 830 gives similar cores from the Kaveri generation. The AMD Athlon X4 870K lifts clocks at 95 W for faster towers. Both share FM2+ boards.
A8-7670K adds R7 graphics where integrated display matters.
Past FM2+ budget towers use AM4. The Athlon X4 850 covers 2015 offices where four cores must run cool without graphics.
Frequently asked questions
What socket does the AMD Athlon X4 850 use?
It uses Socket FM2+ on FM2+ boards with DDR3.
How many cores does the Athlon X4 850 have?
Four cores and four threads, with 3.2 GHz base and up to 3.9 GHz boost.
Which graphics does the Athlon X4 850 include?
None. A discrete graphics card is required.
What memory does the Athlon X4 850 support?
DDR3-2133 in two channels.
When did the Athlon X4 850 launch?
July 2015 with Godavari desktop parts.
Sources and verification
Facts last checked against these sources on . Page last edited on .