AMD Radeon HD 6570 vs NVIDIA GeForce 820A

Table of Contents

Graphics Processor

GPU model Thames GF117
GPU variant Thames XTX 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

Graphics Card

Release date Feb 7th, 2011
Generation Northern Islands
Production End-of-life
Interface PCIe 2.0 x16
Reviews 7 in our database
Predecessor Evergreen
Successor Southern Islands

Clocks

GPU clock 650 MHz 775 MHz
Memory clock 500 MHz 1000 Mbps effective 900 MHz 1800 Mbps effective
Shader clock 1550 MHz

Memory Configuration

Memory size 1024 MB 1024 MB
Memory type GDDR3 DDR3
Memory bus width 128 bit 64 bit
Bandwidth 16.00 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 5.200 GPixel/s 3.100 GPixel/s
Texture rate 15.60 GTexel/s 12.40 GTexel/s
FP32 (float) performance 624.0 GFLOPS 297.6 GFLOPS
FP64 (double) performance 24.80 GFLOPS (1:12)

Dimensions & Outputs

Slot width Single-slot
Length 168 mm 6.6 inches
TDP 44 W 15 W
Suggested PSU 200 W
Outputs 1x DVI1x HDMI1x VGA No outputs
Power connectors None
Board number C239

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

Mobile graphics

Release date Mar 17th, 2014
Generation GeForce 800A
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 700A
Successor GeForce 900A

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