AMD Radeon HD 7850M vs AMD Radeon HD 6950M

What is the difference between AMD Radeon HD 7850M and AMD Radeon HD 6950M. Find out which graphics card has better performance.

Graphics Processor (GPU)

HeathrowGPU NameBlackcomb
Heathrow PROModel numberBlackcomb PRO
GCN 1.0ArchitectureTeraScale 2
TSMCFoundryTSMC
28 nmProcess Size40 nm
1,500 millionTransistors1,700 million
123 mm²Die Size212 mm²

Graphics Card

Apr 24th, 2012Release DateJan 4th, 2011
London
(HD 7800M)
FamilyVancouver
(HD 6900M)
End-of-lifeProductionEnd-of-life
VancouverPredecessorManhattan
PCIe 3.0 x16Bus InterfaceMXM-B (3.0)

Memory

2 GBMemory Size1024 MB
GDDR5Memory TypeGDDR5
128 bitMemory Bus256 bit
64.00 GB/sBandwidth115.2 GB/s

Performance

10.80 GPixel/sPixel fillrate18.56 GPixel/s
27.00 GTexel/sTexture fillrate27.84 GTexel/s
864.0 GFLOPSFP32 (float) performance1,114 GFLOPS

Clock Speeds

1000 MHz
4 Gbps effective
Memory Clock900 MHz
3.6 Gbps effective
675 MHzGPU Clock580 MHz

Render Config

640Shading Units960
40TMUs48
16ROPs32
10Compute Units12
16 KB (per CU)L1 Cache8 KB (per CU)
256 KBL2 Cache512 KB

Board Design

40 WThermal design power (TDP)50 W
No outputsDisplay ConnectorsNo outputs

API support

12 (11_1)DirectX11.2 (11_0)
4.6OpenGL4.4
1.2OpenCL1.2
1.2VulkanN/A
5.1Shader Model5.0