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ASUS HD 4870 X2 TOP

ASUS HD 4870 X2 TOP Image ATI R700 Image

Graphics Processor

GPU Name: R700
GPU Variant: R700 XT
Process Size: 55 nm
Transistors: 956 million
Die Size: 256 mm²

Graphics Card

Released: Aug 12th, 2008
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16
ASUS Part #: EAH4870X2-TOP/HTDI/2G

Clock Speeds

GPU Clock: 700 MHz
790 MHz (+13%)
Memory Clock: 900 MHz
915 MHz (+2%)
3600 MHz effective
3660 MHz effective

Memory

Memory Size: 1024 MB x2
Memory Type: GDDR5
Memory Bus: 256 bit x2
Bandwidth: 115 GB/s x2
117 GB/s x2

Render Config

Shading Units: 800 x2
TMUs: 40 x2
ROPs: 16 x2
Compute Units: 10 x2
Pixel Rate: 11.2 GPixel/s x2
12.6 GPixel/s x2
Texture Rate: 28.0 GTexel/s x2
31.6 GTexel/s x2
Floating-point performance: 1,120 GFLOPS x2
1,264 GFLOPS x2

Board Design

Slot Width: Dual-slot
Length: 10.5 inches
267 mm
TDP: 286 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 79 reviews of the HD 4870 X2 TOP.

Card Notes

Also known as R700. This is a dual GPU card that features two RV770XT chips and a PCI-E lane arbiter chip made by PLX. The card features a total of 2 GB GDDR5 memory.

Other retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS HD 4870 X2 TOP 790 MHz 915 MHz
Gainward Rampage700 GS 750 MHz 950 MHz Triple-slot, 1x DVI 1x VGA 1x HDMI 1x DisplayPort
Gainward Rampage700 GS GLH 790 MHz 950 MHz Triple-slot, 1x DVI 1x VGA 1x HDMI 1x DisplayPort
Sapphire HD 4870 X2 750 MHz 900 MHz
Sapphire HD 4870 X2 ATOMIC 800 MHz 1000 MHz Single-slot