AMD A10-7850K socket: Socket FM2+
The AMD A10-7850K uses the Socket FM2+ socket on FM2+ boards. It is an unlocked quad Kaveri flagship from 3.7 GHz to 4.0 GHz at 95 W with Radeon R7 graphics.
- Socket
- Socket FM2+
- Launched
- January 2014
- Cores and threads
- 4 and 4
- Default TDP
- 95 W
- Codename
- Kaveri
- Segment
- Desktop
- Family
- AMD A10
- Clocks
- 3.7 / 4.0 GHz
AMD A10-7850K specifications
| Cores | 4 |
|---|---|
| Threads | 4 |
| Core architecture | Steamroller (Kaveri) cores on 28 nm |
| Clocks | 3.7 GHz base, up to 4.0 GHz turbo |
| Cache | 4 MB L2 (no L3) |
| Default TDP | 95 W |
| Manufacturing process | 28 nm |
| Memory support | DDR3-2133, two channels |
| PCI Express | PCIe 3.0, 16 lanes from the APU |
| Integrated graphics | AMD Radeon R7 Graphics (8 GPU cores, 720 MHz) |
| Multiplier | Unlocked |
| Package | Socket FM2+ (PGA, 906 contacts) |
Motherboard compatibility
AMD A10-7850K 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 A10-7850K is
The A10-7850K is the flagship Kaveri APU on Socket FM2+ for DIY gaming rigs without a discrete card. It runs 4 Steamroller cores and 4 threads at 3.7 GHz base with turbo to 4.0 GHz. Four megabytes of L2 cache cover games. Power is 95 W on 28 nm from January 2014. The K suffix opens the multiplier.
Twelve compute cores (4 CPU plus 8 GPU) with HSA features suit budget gaming and OpenCL apps. Radeon R7 with 8 GPU cores at 720 MHz plays 1080p titles at modest settings. Turbo to 4.0 GHz helps single thread games. The 95 W envelope needs tower cooling for sustained loads.
DDR3-2133 over two channels feeds cores and graphics best. Boxed packs shipped with Battlefield 4 bundles at launch. Buyers pick the 7850K where unlocked Kaveri with full R7 must lead an FM2+ build.
Socket and motherboard compatibility
The 7850K fits Socket FM2+ on A88X boards with tuning BIOS options. DDR3-2133 DIMMs unlock full R7 speed. A discrete card is optional for heavier titles. FM2 Richland boards never accept Kaveri silicon.
Dual channel fast DDR3 decides R7 frame rates. The Socket vs chipset: what decides whether a CPU works guide covers AMD pairing. Check VRM cooling on budget boards.
Memory, PCIe and cooling
DDR3-2133 over two channels suits gaming desktops with SSDs. Fast pairs lift R7 minimums. AMD certified DDR3-2400 kits work where boards allow.
PCIe 3.0 with 16 lanes from the APU feeds one mainstream card. Dual graphics pairing with select Radeons is possible. Chipset lanes handle storage.
Cooling uses the FM2+ mount with towers for lifts past stock. The boxed cooler handles default clocks. Watch temperatures during stress runs.
Upgrade paths
On the same socket, the AMD A10-7700K at 3.4 GHz below saves cost with 6 GPU cores, while the AMD Athlon X4 860K at 3.7 GHz headless above trades graphics for clocks. All share FM2+ boards.
Godavari refresh flagships cover newer builds. The 7850K remains the launch Kaveri flagship.
Frequently asked questions
What socket does the AMD A10-7850K use?
It uses Socket FM2+ on FM2+ boards.
How many cores does the A10-7850K have?
Four cores and four threads at 3.7 GHz base with turbo to 4.0 GHz.
Is the A10-7850K unlocked?
Yes, the multiplier is unlocked.
Which graphics does the A10-7850K include?
AMD Radeon R7 Graphics with 8 GPU cores at 720 MHz.
Sources and verification
- AMD Revolutionizes Compute with 2014 A-Series APUs (AMD press, 7850K specs)
- A10-7850K with Radeon R7 Series (AMD product page)
Facts last checked against these sources on . Page last edited on .