AMD Radeon HD 6930 vs AMD Radeon R9 M385X

What is the difference between AMD Radeon HD 6930 and AMD Radeon R9 M385X. Find out which graphics card has better performance.

Graphics Processor (GPU)

CaymanGPU NameStrato
Cayman CE
(215-0807105)
Model numberStrato XT
TeraScale 3ArchitectureGCN 2.0
TSMCFoundryTSMC
40 nmProcess Size28 nm
2,640 millionTransistors2,080 million
389 mm²Die Size160 mm²

Graphics Card

Dec 1st, 2011Release DateMay 5th, 2015
Northern Islands
(HD 6900)
FamilyCrystal System
(R9 M300)
End-of-lifeProductionActive
EvergreenPredecessorSolar System
PCIe 2.0 x16Bus InterfacePCIe 3.0 x16

Memory

1024 MBMemory Size4 GB
GDDR5Memory TypeGDDR5
256 bitMemory Bus128 bit
153.6 GB/sBandwidth76.80 GB/s

Performance

24.00 GPixel/sPixel fillrate17.60 GPixel/s
60.00 GTexel/sTexture fillrate61.60 GTexel/s
1.920 TFLOPSFP32 (float) performance1.971 TFLOPS
480.0 GFLOPS (1:4)FP64 (double) performance123.2 GFLOPS (1:16)

Clock Speeds

1200 MHz
4.8 Gbps effective
Memory Clock1200 MHz
4.8 Gbps effective

Render Config

1280Shading Units896
80TMUs56
32ROPs16
20Compute Units14
8 KB (per CU)L1 Cache16 KB (per CU)
512 KBL2 Cache256 KB

Board Design

186 WThermal design power (TDP)unknown
2x DVI
1x HDMI
2x mini-DisplayPort
Display ConnectorsNo outputs

API support

11.2 (11_0)DirectX12 (12_0)
4.4OpenGL4.6
1.2OpenCL2.0
N/AVulkan1.2
5.0Shader Model6.3