ATI Radeon HD 2900 GT vs NVIDIA GeForce 9800 GX2 Full Specs

Summary

240 Shaders 601MHz	256 Shaders 600MHz
524MB GDDR351.2GB/s	1048MB GDDR3128GB/s
Peak·FP32·FP16 288.5 GFLOPS	Peak·FP32·FP16 768 GFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 150W	TDP 197W
Power Connectors 1x 8-Pin -	Power Connectors 1x 8-Pin 1x 6-Pin

Highlights

Peak OPS

Peak OPS FP32 Memory Bandwidth TDP

Radeon HD 2900 GT288.5 GFLOPSFP32

x1

GeForce 9800 GX2768 GFLOPSFP32 (2x 384 GFLOPS)

x2.66

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Theoretical Performance

Clock Speed601MHz UC·Boost·OC	Clock Speed600MHz UC·Boost·OC
Peak OPS 288.5 GFLOPSFP32	Peak OPS 768 GFLOPSFP32
FP32 288.5 GFLOPS	FP32 768 GFLOPS
Pixel Rate 7.2 GPixel/s	Pixel Rate 24 GPixel/s
Texture Rate 7.2 GTexel/s	Texture Rate 96 GTexel/s

Core Config

Shaders 240 Shaders	Shaders 256 Shaders
TMUs 12 TMUs	TMUs 128 TMUs
ROPs 12 ROPs	ROPs 32 ROPs
CUs 4 CUs	SMs 32 SMs

Clocks

Boost Clock 601MHz	Boost Clock 600MHz
Shader Clock -	Shader Clock 1.5GHz

Cache

L2 Cache 256KB shared

L2 Cache 64KB shared

Memory

524MB GDDR3	1048MB GDDR3
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 1.6GT/s	Memory Speed 2GT/s
Memory Bandwidth 51.2GB/s	Memory Bandwidth 128GB/s

Power & Thermals

TDP 150W

TDP 197W

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 2-Slots	PCIe 2-Slots
-	Height 111 mm (4.37") Width 267 mm (10.51") Depth 38 mm (1.5")
Cooling Blower 1x Fan	Cooling Blower 1x Fan
Power Connectors 1x 8-Pin	Power Connectors 1x 8-Pin, 1x 6-Pin

Chip

Manufacturer ATI	Manufacturer NVIDIA
Chip Designer ATI	Chip Designer NVIDIA
Architecture TeraScale 1	Architecture Tesla
Family Radeon HD 2000	Family GeForce 9000
Branding	Branding
Codename Pele	Codename NV92
Chip Variant R600 GT	Chip Variant -
Market Segment Desktop	Market Segment Desktop
Release Date Nov 6, 2007	Release Date Mar 18, 2008

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 80nm	Fabrication Node 65nm
Die Size 420mm²	Die Size 324mm²
Transistor Count 720 Million	Transistor Count 754 Million
Transistor Density 1.71 MTr/mm²	Transistor Density 2.33 MTr/mm²

Images

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