AMD Radeon HD 7650M vs NVIDIA GeForce 620M

Table of Contents

Graphics Processor

GPU model Thames GF117
GPU variant Thames PRO N13P-GLP
Architecture TeraScale 2 Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 716 million 585 million
Die size 104 mm² 116 mm²

Mobile graphics

Release date Jan 7th, 2012 Mar 22nd, 2012
Generation London (HD 7600M) GeForce 600M
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 2.0 x16
Predecessor Vancouver GeForce 500M
Successor Solar System GeForce 700M

Clocks

GPU clock 450 MHz 625 MHz
Memory clock 800 MHz 1600 Mbps effective 900 MHz 1800 Mbps effective
Shader clock 1250 MHz

Memory Configuration

Memory size 1024 MB 1024 MB
Memory type DDR3 DDR3
Memory bus width 128 bit 64 bit
Bandwidth 25.60 GB/s 14.40 GB/s

Render Configuration

Shading units 480 96
TMUs 24 16
ROPs 16 8
Compute units 6
Cache L1 8 KB (per CU) 64 KB (per SM)
Cache L2 256 KB 128 KB
SM count 2

Performance

Pixel rate 7.200 GPixel/s 2.500 GPixel/s
Texture rate 10.80 GTexel/s 10.00 GTexel/s
FP32 (float) performance 432.0 GFLOPS 240.0 GFLOPS
FP64 (double) performance 20.00 GFLOPS (1:12)

Dimensions & Outputs

TDP 20 W 15 W
Outputs No outputs No outputs

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 1.1
Vulkan
Shader model 5.0 5.1
CUDA 2.1

Other Features

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