ATI Radeon X800 CrossFire Edition vs NVIDIA GeForce 8500 GT

Table of Contents

Graphics Processor

GPU model R423 G86
Architecture R400 Tesla
Foundry TSMC TSMC
Manufacturing process 130 nm 80 nm
Number of transistors 160 million 210 million
Die size 289 mm² 127 mm²
GPU variant G86-300-A2

Graphics Card

Release date Oct 28th, 2005 Apr 17th, 2007
Generation Radeon R400 PCIe GeForce 8
Production End-of-life End-of-life
Interface PCIe 1.0 x16 PCIe 1.0 x16
Reviews 226 in our database 33 in our database
Predecessor Radeon R300 GeForce 7 PCIe
Successor Radeon R500 PCIe GeForce 9
Launch price 129 USD

Clocks

GPU clock 500 MHz 459 MHz
Memory clock 500 MHz 1000 Mbps effective 400 MHz 800 Mbps effective
Shader clock 918 MHz

Memory Configuration

Memory size 256 MB 256 MB
Memory type GDDR3 GDDR3
Memory bus width 256 bit 128 bit
Bandwidth 32.00 GB/s 12.80 GB/s

Render Configuration

Pixel shaders 16
Vertex shaders 6
TMUs 16 8
ROPs 16 4
Shading units 16
SM count 2
Cache L2 32 KB

Performance

Pixel rate 8.000 GPixel/s 1.836 GPixel/s
Vertex rate 750.0 MVertices/s
Texture rate 8.000 GTexel/s 3.672 GTexel/s
FP32 (float) performance 29.38 GFLOPS

Dimensions & Outputs

Slot width Dual-slot Single-slot
TDP unknown 30 W
Suggested PSU 200 W 200 W
Outputs 2x DVI 1x DVI1x VGA1x S-Video
Power connectors None None
Length 229 mm 9 inches
Board number P403

API Support & Features

DirectX 9.0b (9_2) 11.1 (10_0)
OpenGL 2.1 3.3
OpenCL 1.1
Vulkan
Pixel shader 2.0b
Vertex shader 2.0b
CUDA 1.1
Shader model 4.0

Other Features

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