AMD Radeon R5 M255 vs AMD Radeon R7 M265DX

What is the difference between AMD Radeon R5 M255 and AMD Radeon R7 M265DX. Find out which graphics card has better performance.

Graphics Processor (GPU)

TopazGPU NameTopaz
Topaz PRO
(216-0864032)
Model numberTopaz XT
(216-0864030)
GCN 3.0ArchitectureGCN 3.0
TSMCFoundryTSMC
28 nmProcess Size28 nm
1,550 millionTransistors1,550 million
125 mm²Die Size125 mm²

Graphics Card

Oct 12th, 2014Release DateJun 11th, 2014
Crystal System
(R5 M200)
FamilyCrystal System
(Rx M200)
End-of-lifeProductionEnd-of-life
PCIe 3.0 x8Bus InterfaceIGP

Memory

1024 MBMemory SizeSystem Shared
GDDR5Memory TypeSystem Shared
128 bitMemory BusSystem Shared
64.00 GB/sBandwidthSystem Dependent

Performance

7.520 GPixel/sPixel fillrate7.840 GPixel/s
22.56 GTexel/sTexture fillrate23.52 GTexel/s
721.9 GFLOPS (1:1)FP16 (half) performance752.6 GFLOPS (1:1)
721.9 GFLOPSFP32 (float) performance752.6 GFLOPS
45.12 GFLOPS (1:16)FP64 (double) performance47.04 GFLOPS (1:16)

Clock Speeds

925 MHzBase Clock900 MHz
940 MHzBoost Clock980 MHz
1000 MHz
4 Gbps effective
Memory ClockSystem Shared

Render Config

384Shading Units384
24TMUs24
8ROPs8
6Compute Units6
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