ATI Radeon HD 3830 vs NVIDIA GeForce GTX 260 Full Specs

Summary

320 Shaders 668MHz	192 Shaders 576MHz
262MB GDDR326.5GB/s	918MB GDDR3111.9GB/s
Peak·FP32·FP16 427.5 GFLOPS	Peak·FP32·FP16 476.9 GFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 75W	TDP 182W
Power Connectors 1x 6-Pin	Power Connectors 2x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

Radeon HD 3830427.5 GFLOPSFP32

x1

GeForce GTX 260476.9 GFLOPSFP32

x1.12

Show Top Score

Theoretical Performance

Clock Speed668MHz UC·Boost·OC	Clock Speed576MHz UC·Boost·OC
Peak OPS 427.5 GFLOPSFP32	Peak OPS 476.9 GFLOPSFP32
FP32 427.5 GFLOPS	FP32 476.9 GFLOPS
FP64 85.5 GFLOPS	FP64 59.62 GFLOPS
Pixel Rate 10.7 GPixel/s	Pixel Rate 34.8 GPixel/s
Texture Rate 10.7 GTexel/s	Texture Rate 79.5 GTexel/s

Core Config

Shaders 320 Shaders	Shaders 192 Shaders
TMUs 16 TMUs	TMUs 64 TMUs
ROPs 16 ROPs	ROPs 28 ROPs
CUs 4 CUs	SMs 24 SMs

Clocks

Boost Clock 668MHz	Boost Clock 576MHz
Shader Clock -	Shader Clock 1.24GHz

Cache

L2 Cache 256KB shared

L2 Cache 256KB shared

Memory

262MB GDDR3	918MB GDDR3
Memory Bus 128-bit	Memory Bus 448-bit
Memory Speed 1.7GT/s	Memory Speed 2GT/s
Memory Bandwidth 26.5GB/s	Memory Bandwidth 111.9GB/s

Power & Thermals

TDP 75W

TDP 182W

Video Output

Multi-Monitor 2

Multi-Monitor 2

Ports

2x DVI-I Dual-Link	2x DVI-I Dual-Link
1x S-Video	1x S-Video

Decoder

Decoder Model UVD 1.0

Decoder Model VP2

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 1-Slots	PCIe 2-Slots
-	Height 111 mm (4.37") Width 267 mm (10.51") Depth 38 mm (1.5")
Cooling Open-Air 1x Fan	Cooling Blower 1x Fan
Power Connectors 1x 6-Pin	Power Connectors 2x 6-Pin

Chip

Manufacturer ATI	Manufacturer NVIDIA
Chip Designer ATI	Chip Designer NVIDIA
Architecture TeraScale 1	Architecture Tesla 2
Family Radeon HD 3000	Family GeForce 200
Branding	Branding
Codename Boom	Codename NVA0
Chip Variant RV670 Pro	Chip Variant GT200-100-A2
Market Segment Desktop	Market Segment Desktop
Release Date Apr 1, 2008	Release Date Jun 16, 2008

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 55nm	Fabrication Node 65nm
Die Size 192mm²	Die Size 576mm²
Transistor Count 666 Million	Transistor Count 1.4 Billion
Transistor Density 3.47 MTr/mm²	Transistor Density 2.43 MTr/mm²

Images

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Competitors

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