NVIDIA GeForce 8800 GTS 640 vs NVIDIA GeForce GT 430

Table of Contents

Graphics Processor

GPU model G80 GF108
GPU variant G80-100-K0-A2 GF108-300-A1
Architecture Tesla Fermi
Foundry TSMC TSMC
Manufacturing process 90 nm 40 nm
Number of transistors 681 million 585 million
Die size 484 mm² 116 mm²

Graphics Card

Release date Nov 8th, 2006 Oct 11th, 2010
Generation GeForce 8 GeForce 400
Production End-of-life End-of-life
Launch price 449 USD 79 USD
Interface PCIe 1.0 x16 PCIe 2.0 x16
Reviews 403 in our database 33 in our database
Predecessor GeForce 7 PCIe GeForce 200
Successor GeForce 9 GeForce 500

Clocks

GPU clock 513 MHz 700 MHz
Shader clock 1188 MHz 1400 MHz
Memory clock 792 MHz 1584 Mbps effective 800 MHz 1600 Mbps effective

Memory Configuration

Memory size 640 MB 512 MB
Memory type GDDR3 DDR3
Memory bus width 320 bit 64 bit
Bandwidth 63.36 GB/s 12.80 GB/s

Render Configuration

Shading units 96 96
TMUs 24 16
ROPs 20 4
SM count 12 2
Cache L2 80 KB 128 KB
Cache L1 64 KB (per SM)

Performance

Pixel rate 10.26 GPixel/s 2.800 GPixel/s
Texture rate 24.62 GTexel/s 11.20 GTexel/s
FP32 (float) performance 228.1 GFLOPS 268.8 GFLOPS
FP64 (double) performance 22.40 GFLOPS (1:12)

Dimensions & Outputs

Slot width Dual-slot Single-slot
Length 267 mm 10.5 inches 145 mm 5.7 inches
TDP 143 W 49 W
Suggested PSU 300 W 200 W
Outputs 2x DVI1x S-Video 1x DVI1x HDMI1x VGA
Power connectors 1x 6-pin None
Board number P356 P1071

API Support & Features

DirectX 11.1 (10_0) 12 (11_0)
OpenGL 3.3 4.6
OpenCL 1.1 (1.0) 1.1
Vulkan
CUDA 1.0 2.1
Shader model 4.0 5.1

Other Features

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