AMD Radeon R9 260 OEM vs AMD Radeon R9 M385X

What is the difference between AMD Radeon R9 260 OEM and AMD Radeon R9 M385X. Find out which graphics card has better performance.

Graphics Processor (GPU)

BonaireGPU NameStrato
Bonaire XT
(215-0839039)
Model numberStrato XT
GCN 2.0ArchitectureGCN 2.0
TSMCFoundryTSMC
28 nmProcess Size28 nm
2,080 millionTransistors2,080 million
160 mm²Die Size160 mm²

Graphics Card

Dec 21st, 2013Release DateMay 5th, 2015
Volcanic Islands
(R9 200)
FamilyCrystal System
(R9 M300)
End-of-lifeProductionActive
Sea IslandsPredecessorSolar System
PCIe 3.0 x16Bus InterfacePCIe 3.0 x16

Memory

1024 MBMemory Size4 GB
GDDR5Memory TypeGDDR5
128 bitMemory Bus128 bit
104.0 GB/sBandwidth76.80 GB/s

Performance

17.60 GPixel/sPixel fillrate17.60 GPixel/s
61.60 GTexel/sTexture fillrate61.60 GTexel/s
1.971 TFLOPSFP32 (float) performance1.971 TFLOPS
123.2 GFLOPS (1:16)FP64 (double) performance123.2 GFLOPS (1:16)

Clock Speeds

1625 MHz
6.5 Gbps effective
Memory Clock1200 MHz
4.8 Gbps effective

Render Config

896Shading Units896
56TMUs56
16ROPs16
14Compute Units14
16 KB (per CU)L1 Cache16 KB (per CU)
256 KBL2 Cache256 KB

Board Design

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

API support

12 (12_0)DirectX12 (12_0)
4.6OpenGL4.6
2.0OpenCL2.0
1.2Vulkan1.2
6.3Shader Model6.3