ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce 9400 GT

Table of Contents

Graphics Processor

GPU model RV630 G86
Architecture TeraScale Tesla
Foundry TSMC TSMC
Manufacturing process 65 nm 80 nm
Number of transistors 390 million 210 million
Die size 153 mm² 127 mm²

Graphics Card

Release date Feb 21st, 2008 Aug 1st, 2008
Generation Radeon R600 GeForce 9
Production End-of-life End-of-life
Interface PCIe 1.0 x16 PCIe 2.0 x16
Reviews 82 in our database 6 in our database
Predecessor Radeon R500 PCIe GeForce 8
Successor Radeon R700 GeForce 200

Clocks

GPU clock 700 MHz 459 MHz
Memory clock 800 MHz 1600 Mbps effective 600 MHz 1200 Mbps effective
Shader clock 918 MHz

Memory Configuration

Memory size 256 MB 128 MB
Memory type GDDR3 DDR2
Memory bus width 128 bit 64 bit
Bandwidth 25.60 GB/s 9.600 GB/s

Render Configuration

Shading units 120 16
TMUs 8 8
ROPs 4 4
Compute units 3
Cache L2 64 KB 16 KB
SM count 2

Performance

Pixel rate 2.800 GPixel/s 1.836 GPixel/s
Texture rate 5.600 GTexel/s 3.672 GTexel/s
FP32 (float) performance 168.0 GFLOPS 29.38 GFLOPS

Dimensions & Outputs

Slot width Single-slot Single-slot
TDP 45 W 50 W
Suggested PSU 200 W 250 W
Outputs 2x DVI 1x DVI1x VGA1x S-Video
Power connectors None None
Board number B148 P403
Length 168 mm 6.6 inches

API Support & Features

DirectX 10.0 (10_0) 11.1 (10_0)
OpenGL 3.3 3.3
OpenCL 1.1
Vulkan
Shader model 4.0 4.0
CUDA 1.1

Other Features

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