ATI Radeon X1800 CrossFire Edition vs NVIDIA GeForce 8400 GS

Table of Contents

Graphics Processor

GPU model R520 G86
GPU variant R520 CE (215RFFBKA15FG) G86-213-A2
Architecture R500 Tesla
Foundry TSMC TSMC
Manufacturing process 90 nm 80 nm
Number of transistors 321 million 210 million
Die size 288 mm² 127 mm²

Graphics Card

Release date Dec 20th, 2005 Apr 17th, 2007
Generation Radeon R500 PCIe GeForce 8
Production End-of-life End-of-life
Interface PCIe 1.0 x16 PCIe 1.0 x16
Reviews 76 in our database 10 in our database
Predecessor Radeon R400 PCIe GeForce 7 PCIe
Successor Radeon R600 GeForce 9

Clocks

GPU clock 600 MHz 459 MHz
Memory clock 700 MHz 1400 Mbps effective 400 MHz 800 Mbps effective
Shader clock 918 MHz

Memory Configuration

Memory size 512 MB 256 MB
Memory type GDDR3 DDR2
Memory bus width 256 bit 64 bit
Bandwidth 44.80 GB/s 6.400 GB/s

Render Configuration

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

Performance

Pixel rate 9.600 GPixel/s 1.836 GPixel/s
Vertex rate 1.200 GVertices/s
Texture rate 9.600 GTexel/s 3.672 GTexel/s
FP32 (float) performance 29.38 GFLOPS

Dimensions & Outputs

Slot width Dual-slot Single-slot
TDP 113 W 40 W
Suggested PSU 300 W 200 W
Outputs 2x DVI1x S-Video 1x DVI1x VGA1x S-Video
Power connectors 1x 6-pin None
Board number A721 P403, P413
Length 170 mm 6.7 inches

API Support & Features

DirectX 9.0c (9_3) 11.1 (10_0)
OpenGL 2.1 3.3
OpenCL 1.1
Vulkan
Shader model 3.0 4.0
CUDA 1.1

Other Features

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