AMD Radeon HD 6570 vs ATI Mobility Radeon HD 3870 X2

Table of Contents

Graphics Processor

GPU model Thames M88
GPU variant Thames XTX
Architecture TeraScale 2 TeraScale
Foundry TSMC TSMC
Manufacturing process 40 nm 55 nm
Number of transistors 716 million 666 million
Die size 104 mm² 192 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 660 MHz
Memory clock 500 MHz 1000 Mbps effective 850 MHz 1700 Mbps effective

Memory Configuration

Memory size 1024 MB 512 MB
Memory type GDDR3 GDDR3
Memory bus width 128 bit 256 bit
Bandwidth 16.00 GB/s 54.40 GB/s

Render Configuration

Shading units 480 320
TMUs 24 16
ROPs 8 16
Compute units 6 4
Cache L1 8 KB (per CU)
Cache L2 256 KB 256 KB

Performance

Pixel rate 5.200 GPixel/s 10.56 GPixel/s
Texture rate 15.60 GTexel/s 10.56 GTexel/s
FP32 (float) performance 624.0 GFLOPS 422.4 GFLOPS
FP64 (double) performance 84.48 GFLOPS (1:5)

Dimensions & Outputs

Slot width Single-slot
Length 168 mm 6.6 inches
TDP 44 W 110 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) 10.1 (10_1)
OpenGL 4.4 3.3
OpenCL 1.2
Vulkan
Shader model 5.0 4.1

Other Features

Mobile graphics

Release date Sep 1st, 2008
Generation M8x (Mobility HD 3800)
Production End-of-life
Interface PCIe 2.0 x16
Reviews 2 in our database
Predecessor M7x
Successor M9x

Compare

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