ATI Radeon HD 3650 vs NVIDIA GeForce 6800 GT Dual

Table of Contents

Graphics Processor

GPU model RV635 NV45
GPU variant RV635 PRO (215-0682008)
Architecture TeraScale Curie
Foundry TSMC TSMC
Manufacturing process 55 nm 130 nm
Number of transistors 378 million 222 million
Die size 135 mm² 287 mm²

Graphics Card

Release date Jan 20th, 2008 Jun 8th, 2004
Generation Radeon R600 GeForce 6 PCIe
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 1.0 x16
Reviews 28 in our database 115 in our database
Predecessor Radeon R500 PCIe GeForce PCX
Successor Radeon R700 GeForce 7 PCIe

Clocks

GPU clock 725 MHz 350 MHz
Memory clock 800 MHz 1600 Mbps effective 500 MHz 1000 Mbps effective

Memory Configuration

Memory size 256 MB 256 MB
Memory type GDDR3 GDDR3
Memory bus width 128 bit 256 bit
Bandwidth 25.60 GB/s 32.00 GB/s

Render Configuration

Shading units 120
TMUs 8 16
ROPs 4 16
Compute units 3
Cache L2 128 KB
Pixel shaders 16
Vertex shaders 6

Performance

Pixel rate 2.900 GPixel/s 5.600 GPixel/s
Texture rate 5.800 GTexel/s 5.600 GTexel/s
FP32 (float) performance 174.0 GFLOPS
Vertex rate 525.0 MVertices/s

Dimensions & Outputs

Slot width Single-slot Dual-slot
TDP 65 W unknown
Suggested PSU 250 W 200 W
Outputs 2x DVI1x S-Video 2x DVI1x S-Video
Power connectors None 1x 6-pin
Board number B381

API Support & Features

DirectX 10.1 (10_1) 9.0c (9_3)
OpenGL 3.3 2.1
OpenCL
Vulkan
Shader model 4.1 3.0

Other Features

Compare

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.