AMD Radeon HD 6610M vs NVIDIA GeForce GT 820M

Table of Contents

Graphics Processor

GPU model Whistler GF117
GPU variant Whistler LP N15V-GM
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 4th, 2011 Nov 27th, 2013
Generation Vancouver (HD 6600M) GeForce 800M
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 2.0 x16
Predecessor Manhattan GeForce 700M
Successor London GeForce 900M

Clocks

GPU clock 450 MHz 775 MHz
Memory clock 800 MHz 1600 Mbps effective 900 MHz 1800 Mbps effective
Shader clock 1550 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 8 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 3.600 GPixel/s 3.100 GPixel/s
Texture rate 10.80 GTexel/s 12.40 GTexel/s
FP32 (float) performance 432.0 GFLOPS 297.6 GFLOPS
FP64 (double) performance 24.80 GFLOPS (1:12)

Dimensions & Outputs

TDP 26 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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