AMD Radeon R9 M280X vs AMD Radeon R9 M385

What is the difference between AMD Radeon R9 M280X and AMD Radeon R9 M385. Find out which graphics card has better performance.

Graphics Processor (GPU)

SaturnGPU NameStrato
Saturn XTModel numberStrato XT
GCN 2.0ArchitectureGCN 2.0
TSMCFoundryTSMC
28 nmProcess Size28 nm
2,080 millionTransistors2,080 million
160 mm²Die Size160 mm²

Graphics Card

Feb 5th, 2015Release DateMay 5th, 2015
Crystal System
(R9 M200)
FamilyCrystal System
(R9 M300)
ActiveProductionActive
Solar SystemPredecessorSolar System
PCIe 3.0 x16Bus InterfacePCIe 3.0 x16

Memory

2 GBMemory Size4 GB
GDDR5Memory TypeGDDR5
128 bitMemory Bus128 bit
96.00 GB/sBandwidth76.80 GB/s

Performance

17.60 GPixel/sPixel fillrate16.00 GPixel/s
61.60 GTexel/sTexture fillrate56.00 GTexel/s
1.971 TFLOPSFP32 (float) performance1.792 TFLOPS
123.2 GFLOPS (1:16)FP64 (double) performance112.0 GFLOPS (1:16)

Clock Speeds

1000 MHzBase Clock900 MHz
1100 MHzBoost Clock1000 MHz
1500 MHz
6 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

unknownThermal design power (TDP)unknown
No outputsDisplay ConnectorsNo outputs

API support

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