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Sapphire HD 3870 Atomic

Sapphire HD 3870 Atomic Image ATI RV670 Image

Graphics Processor

GPU Name: RV670
GPU Variant: RV670 XT
Process Size: 55 nm
Transistors: 666 million
Die Size: 192 mm²

Graphics Card

Released: Nov 19th, 2007
Jan 21st, 2008
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16
Sapphire Part #: 102-B33904-01-OC

Clock Speeds

GPU Clock: 777 MHz
825 MHz (+6%)
Memory Clock: 1126 MHz
1200 MHz (+7%)
2252 MHz effective
2400 MHz effective

Memory

Memory Size: 512 MB
Memory Type: GDDR4
Memory Bus: 256 bit
Bandwidth: 72.1 GB/s
76.8 GB/s

Render Config

Shading Units: 320
TMUs: 16
ROPs: 16
Compute Units: 4
Pixel Rate: 12.4 GPixel/s
13.2 GPixel/s
Texture Rate: 12.4 GTexel/s
13.2 GTexel/s
Floating-point performance: 497.3 GFLOPS
528.0 GFLOPS

Board Design

Slot Width: Dual-slot
Single-slot
Length: 9.5 inches
241 mm
TDP: 106 W
Outputs: 2x DVI
1x S-Video

Graphics Features

DirectX: 10.1
OpenGL: 3.3
OpenCL: 1.0
Shader Model: 4.1

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Reviews

Our review database contains 80 reviews of the HD 3870 Atomic.

Other retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS HD 3870 Magic 777 MHz 855 MHz GDDR3, 9 inches, Single-slot
ASUS HD 3870 TOP 851 MHz 1143 MHz 9 inches, Single-slot
Diamond Viper HD 3870 Ruby Edition 850 MHz 950 MHz 1024 MB, GDDR3, 9 inches
Diamond Viper HD 3870 Ruby Edition 820 MHz 1200 MHz 9 inches
HIS HD 3870 IceQ 3 Turbo 850 MHz 1190 MHz 9.49 inches
Sapphire HD 3870 777 MHz 1126 MHz
Sapphire HD 3870 Atomic 825 MHz 1200 MHz Single-slot
Sapphire HD 3870 Toxic II 800 MHz 1152 MHz Single-slot
Sapphire HD 3870 Ultimate 800 MHz 1152 MHz Single-slot
Sapphire HD 3870 Vapor-X 800 MHz 1100 MHz 1024 MB, Single-slot
VisionTek HD 3870 777 MHz 1126 MHz GDDR3, Single-slot