ATI Radeon X800 PRO vs NVIDIA GeForce 8400 GS

Table of Contents

Graphics Processor

GPU model R423 G86
GPU variant R423 PRO G86-213-A2
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

Graphics Card

Release date May 1st, 2004 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 10 in our database
Predecessor Radeon R300 GeForce 7 PCIe
Successor Radeon R500 PCIe GeForce 9

Clocks

GPU clock 475 MHz 459 MHz
Memory clock 450 MHz 900 Mbps effective 400 MHz 800 Mbps effective
Shader clock 918 MHz

Memory Configuration

Memory size 256 MB 256 MB
Memory type GDDR3 DDR2
Memory bus width 256 bit 64 bit
Bandwidth 28.80 GB/s 6.400 GB/s

Render Configuration

Pixel shaders 12
Vertex shaders 6
TMUs 12 8
ROPs 12 4
Shading units 16
SM count 2
Cache L2 16 KB

Performance

Pixel rate 5.700 GPixel/s 1.836 GPixel/s
Vertex rate 712.5 MVertices/s
Texture rate 5.700 GTexel/s 3.672 GTexel/s
FP32 (float) performance 29.38 GFLOPS

Dimensions & Outputs

Slot width Single-slot Single-slot
TDP 48 W 40 W
Suggested PSU 200 W 200 W
Outputs 1x DVI1x VGA1x S-Video 1x DVI1x VGA1x S-Video
Power connectors 1x Molex None
Length 170 mm 6.7 inches
Board number P403, P413

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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