AMD Radeon HD 6990M vs AMD Radeon R9 M375

What is the difference between AMD Radeon HD 6990M and AMD Radeon R9 M375. Find out which graphics card has better performance.

Graphics Processor (GPU)

BlackcombGPU NameTropo
Blackcomb XTX
(216-0811030)
Model numberTropo XT2
TeraScale 2ArchitectureGCN 1.0
TSMCFoundryTSMC
40 nmProcess Size28 nm
1,700 millionTransistors1,500 million
212 mm²Die Size123 mm²

Graphics Card

Jul 12th, 2011Release DateMay 5th, 2015
Vancouver
(HD 6900M)
FamilyCrystal System
(R9 M300)
End-of-lifeProductionActive
ManhattanPredecessorSolar System
MXM-B (3.0)Bus InterfacePCIe 3.0 x16

Memory

2 GBMemory Size2 GB
GDDR5Memory TypeDDR3
256 bitMemory Bus128 bit
115.2 GB/sBandwidth28.80 GB/s

Performance

22.88 GPixel/sPixel fillrate16.24 GPixel/s
40.04 GTexel/sTexture fillrate40.60 GTexel/s
1.602 TFLOPSFP32 (float) performance1,299 GFLOPS

Clock Speeds

900 MHz
3.6 Gbps effective
Memory Clock900 MHz
1800 Mbps effective

Render Config

1120Shading Units640
56TMUs40
32ROPs16
14Compute Units10
8 KB (per CU)L1 Cache16 KB (per CU)
512 KBL2 Cache256 KB

Board Design

100 WThermal design power (TDP)unknown
No outputsDisplay ConnectorsNo outputs

API support

11.2 (11_0)DirectX12 (11_1)
4.4OpenGL4.6
1.2OpenCL1.2
N/AVulkan1.2
5.0Shader Model5.1