ATI Radeon HD 5450 vs ATI Radeon X1900 CrossFire Edition

Table of Contents

Graphics Processor

GPU model Cedar R580
GPU variant Cedar PRO R580 CF
Architecture TeraScale 2 R500
Foundry TSMC TSMC
Manufacturing process 40 nm 90 nm
Number of transistors 292 million 384 million
Die size 59 mm² 352 mm²

Graphics Card

Release date Feb 4th, 2010 Jan 24th, 2006
Generation Evergreen Radeon R500 PCIe
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 1.0 x16
Reviews 34 in our database 115 in our database
Predecessor Radeon R700 Radeon R400 PCIe
Successor Northern Islands Radeon R600

Clocks

GPU clock 650 MHz 625 MHz
Memory clock 400 MHz 800 Mbps effective 725 MHz 1450 Mbps effective

Memory Configuration

Memory size 512 MB 512 MB
Memory type DDR2 GDDR3
Memory bus width 64 bit 256 bit
Bandwidth 6.400 GB/s 46.40 GB/s

Render Configuration

Shading units 80
TMUs 8 16
ROPs 4 16
Compute units 2
Cache L1 8 KB (per CU)
Cache L2 128 KB
Pixel shaders 48
Vertex shaders 8

Performance

Pixel rate 2.600 GPixel/s 10.00 GPixel/s
Texture rate 5.200 GTexel/s 10.00 GTexel/s
FP32 (float) performance 104.0 GFLOPS
Vertex rate 1.250 GVertices/s

Dimensions & Outputs

Slot width Single-slot Dual-slot
Length 170 mm 6.7 inches
TDP 19 W 100 W
Suggested PSU 200 W 300 W
Outputs 1x DVI1x HDMI1x VGA 2x DVI1x S-Video
Power connectors None 1x 6-pin
Board number B750, B982, C026, C027, C028, C070, C093, C096, C267 A721

API Support & Features

DirectX 11.2 (11_0) 9.0c (9_3)
OpenGL 4.4 2.1 (full) 3.0 (partial)
OpenCL 1.2
Vulkan
Shader model 5.0 3.0

Other Features

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