ATI Radeon HD 3650 vs NVIDIA GeForce 6800 Ultra

Table of Contents

Graphics Processor

GPU model RV635 NV40
GPU variant RV635 PRO (215-0682008) 6800 Ultra
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 Apr 14th, 2004
Generation Radeon R600 GeForce 6 AGP
Production End-of-life End-of-life
Interface PCIe 2.0 x16 AGP 8x
Reviews 28 in our database 115 in our database
Predecessor Radeon R500 PCIe GeForce FX
Successor Radeon R700 GeForce 7 AGP

Clocks

GPU clock 725 MHz 425 MHz
Memory clock 800 MHz 1600 Mbps effective 550 MHz 1100 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 35.20 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 6.800 GPixel/s
Texture rate 5.800 GTexel/s 6.800 GTexel/s
FP32 (float) performance 174.0 GFLOPS
Vertex rate 637.5 MVertices/s

Dimensions & Outputs

Slot width Single-slot Single-slot
TDP 65 W unknown
Suggested PSU 250 W 200 W
Outputs 2x DVI1x S-Video 2x DVI1x S-Video
Power connectors None 2x Molex
Board number B381 P201
Length 216 mm 8.5 inches

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

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