Report an Error

ATI Radeon HD 4850 X2

ATI Radeon HD 4850 X2 Image ATI R700 Image

Graphics Processor

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

Graphics Card

Released: Nov 7th, 2008
Production Status: End-of-life
Launch Price: 420 USD
Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 625 MHz
Memory Clock: 995 MHz
1990 MHz effective


Memory Size: 512 MB x2
Memory Type: GDDR3
Memory Bus: 256 bit x2
Bandwidth: 63.7 GB/s x2

Render Config

Shading Units: 800 x2
TMUs: 40 x2
ROPs: 16 x2
Compute Units: 10 x2
Pixel Rate: 10.00 GPixel/s x2
Texture Rate: 25.0 GTexel/s x2
Floating-point performance: 1,000.0 GFLOPS x2

Reference Board

Slot Width: Dual-slot
Length: 10.51 inches
267 mm
TDP: 250 W
Outputs: 4x DVI
1x S-Video

Graphics Features

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


Find graphics card BIOS for this card.

GPU-Z Validation

Find GPU-Z validations for this card.


Our review database contains 26 reviews of the Radeon HD 4850 X2.

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
Sapphire HD 4850 X2 2 GB 625 MHz 995 MHz 1024 MB