AMD Radeon HD 7670M vs AMD Radeon R5 M315

Table of Contents

Graphics Processor

GPU model Thames Meso
GPU variant Thames XT (216-0833000) Meso LE
Architecture TeraScale 2 GCN 3.0
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 716 million 1,550 million
Die size 104 mm² 125 mm²

Mobile graphics

Release date Feb 17th, 2012 May 5th, 2015
Generation London (HD 7600M) Crystal System (R5 M300)
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 3.0 x8
Predecessor Vancouver Solar System
Successor Solar System Mobility Radeon

Clocks

GPU clock 600 MHz 970 MHz
Memory clock 900 MHz 1800 Mbps effective 900 MHz 1800 Mbps effective

Memory Configuration

Memory size 1024 MB 2 GB
Memory type DDR3 DDR3
Memory bus width 128 bit 64 bit
Bandwidth 28.80 GB/s 14.40 GB/s

Render Configuration

Shading units 480 384
TMUs 24 24
ROPs 16 8
Compute units 6 6
Cache L1 8 KB (per CU) 16 KB (per CU)
Cache L2 256 KB 128 KB

Performance

Pixel rate 9.600 GPixel/s 7.760 GPixel/s
Texture rate 14.40 GTexel/s 23.28 GTexel/s
FP32 (float) performance 576.0 GFLOPS 745.0 GFLOPS
FP16 (half) performance 745.0 GFLOPS (1:1)
FP64 (double) performance 46.56 GFLOPS (1:16)

Dimensions & Outputs

TDP 20 W unknown
Outputs No outputs No outputs

API Support & Features

DirectX 11.2 (11_0) 12 (12_0)
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan 1.2
Shader model 5.0 6.0

Other Features

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