NVIDIA GeForce GTX 675M vs AMD Radeon HD 6990M

What is the difference between NVIDIA GeForce GTX 675M and AMD Radeon HD 6990M. Find out which graphics card has better performance.

Graphics Processor (GPU)

GF114GPU NameBlackcomb
N13E-GS1-A1Model numberBlackcomb XTX
(216-0811030)
Fermi 2.0ArchitectureTeraScale 2
TSMCFoundryTSMC
40 nmProcess Size40 nm
1,950 millionTransistors1,700 million
332 mm²Die Size212 mm²

Graphics Card

Mar 22nd, 2012Release DateJul 12th, 2011
GeForce 600MFamilyVancouver
(HD 6900M)
End-of-lifeProductionEnd-of-life
GeForce 500MPredecessorManhattan
MXM-B (3.0)Bus InterfaceMXM-B (3.0)

Memory

2 GBMemory Size2 GB
GDDR5Memory TypeGDDR5
256 bitMemory Bus256 bit
96.00 GB/sBandwidth115.2 GB/s

Performance

9.920 GPixel/sPixel fillrate22.88 GPixel/s
39.68 GTexel/sTexture fillrate40.04 GTexel/s
952.3 GFLOPSFP32 (float) performance1.602 TFLOPS

Clock Speeds

750 MHz
3 Gbps effective
Memory Clock900 MHz
3.6 Gbps effective
620 MHzGPU Clock715 MHz

Render Config

384Shading Units1120
64TMUs56
32ROPs32
64 KB (per SM)L1 Cache8 KB (per CU)
512 KBL2 Cache512 KB

Board Design

MXM ModuleSlot WidthMXM Module
100 WThermal design power (TDP)100 W
No outputsDisplay ConnectorsNo outputs

API support

12 (11_0)DirectX11.2 (11_0)
4.6OpenGL4.4
1.1OpenCL1.2
N/AVulkanN/A
5.1Shader Model5.0