AMD Radeon HD 7850M vs AMD Radeon R7 M460

What is the difference between AMD Radeon HD 7850M and AMD Radeon R7 M460. Find out which graphics card has better performance.

Graphics Processor (GPU)

HeathrowGPU NameMeso
Heathrow PROModel numberMeso XT
(216-0867030)
GCN 1.0ArchitectureGCN 3.0
TSMCFoundryTSMC
28 nmProcess Size28 nm
1,500 millionTransistors1,550 million
123 mm²Die Size125 mm²

Graphics Card

Apr 24th, 2012Release DateMay 15th, 2016
London
(HD 7800M)
FamilyCrystal System
(R7 M400)
End-of-lifeProductionActive
VancouverPredecessorSolar System
PCIe 3.0 x16Bus InterfacePCIe 3.0 x8

Memory

2 GBMemory Size2 GB
GDDR5Memory TypeDDR3
128 bitMemory Bus64 bit
64.00 GB/sBandwidth14.40 GB/s

Performance

10.80 GPixel/sPixel fillrate9.000 GPixel/s
27.00 GTexel/sTexture fillrate27.00 GTexel/s
864.0 GFLOPSFP32 (float) performance864.0 GFLOPS
54.00 GFLOPS (1:16)FP64 (double) performance54.00 GFLOPS (1:16)

Clock Speeds

1000 MHz
4 Gbps effective
Memory Clock900 MHz
1800 Mbps effective

Render Config

640Shading Units384
40TMUs24
16ROPs8
10Compute Units6
16 KB (per CU)L1 Cache16 KB (per CU)
256 KBL2 Cache128 KB

Board Design

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

API support

12 (11_1)DirectX12 (12_0)
4.6OpenGL4.6
1.2OpenCL2.0
1.2Vulkan1.2
5.1Shader Model6.0