AMD Radeon HD 6450 vs NVIDIA GeForce 7950 GX2

Table of Contents

Graphics Processor

GPU model Caicos G71
GPU variant Caicos PRO G71-D-H-N-A2
Architecture TeraScale 2 Curie
Foundry TSMC TSMC
Manufacturing process 40 nm 90 nm
Number of transistors 370 million 278 million
Die size 67 mm² 196 mm²

Graphics Card

Release date Apr 7th, 2011 Jun 5th, 2006
Generation Northern Islands GeForce 7 PCIe
Production End-of-life End-of-life
Launch price 55 USD 599 USD
Interface PCIe 2.0 x16 PCIe 1.0 x16
Reviews 14 in our database 96 in our database
Predecessor Evergreen GeForce 6 PCIe
Successor Southern Islands GeForce 8

Clocks

GPU clock 625 MHz 500 MHz
Memory clock 800 MHz 3.2 Gbps effective 600 MHz 1200 Mbps effective

Memory Configuration

Memory size 512 MB 512 MB
Memory type GDDR5 GDDR3
Memory bus width 64 bit 256 bit
Bandwidth 25.60 GB/s 38.40 GB/s

Render Configuration

Shading units 160
TMUs 8 24
ROPs 4 16
Compute units 2
Cache L1 8 KB (per CU)
Cache L2 128 KB
Pixel shaders 24
Vertex shaders 8

Performance

Pixel rate 2.500 GPixel/s 8.000 GPixel/s
Texture rate 5.000 GTexel/s 12.00 GTexel/s
FP32 (float) performance 200.0 GFLOPS
Vertex rate 1.000 GVertices/s

Dimensions & Outputs

Slot width Single-slot Dual-slot
Length 168 mm 6.6 inches 229 mm 9 inches
TDP 18 W 110 W
Suggested PSU 200 W 300 W
Outputs 1x DVI1x HDMI1x VGA 2x DVI1x S-Video
Power connectors None 1x 6-pin
Board number C264 P502
Width 111 mm 4.4 inches

API Support & Features

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

Other Features

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