ATI Radeon HD 3850 X2 vs NVIDIA GeForce GTS 150 Full Specs

Summary

640 Shaders 668MHz	128 Shaders 738MHz
1048MB GDDR3106GB/s	1GB GDDR364GB/s
Peak·FP32·FP16 855 GFLOPS	Peak·FP32·FP16 470 GFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 140W	TDP 141W
Power Connectors 1x 8-Pin 1x 6-Pin	Power Connectors -

Highlights

Peak OPS

Peak OPS FP32 FP64 Memory Bandwidth TDP

Radeon HD 3850 X2855 GFLOPSFP32 (2x 427.5 GFLOPS)

x1.82

GeForce GTS 150470 GFLOPSFP32

x1

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Theoretical Performance

Clock Speed668MHz UC·Boost·OC	Clock Speed738MHz UC·Boost·OC
Peak OPS 855 GFLOPSFP32	Peak OPS 470 GFLOPSFP32
FP32 855 GFLOPS	FP32 470 GFLOPS
FP64 171 GFLOPS	-
Pixel Rate 10.7 GPixel/s	Pixel Rate 29.4 GPixel/s
Texture Rate 10.7 GTexel/s	Texture Rate 117.5 GTexel/s

Core Config

Shaders 640 Shaders	Shaders 128 Shaders
TMUs 32 TMUs	TMUs 64 TMUs
ROPs 32 ROPs	ROPs 16 ROPs
CUs 8 CUs	SMs 16 SMs

Clocks

Boost Clock 668MHz	Boost Clock 738MHz
Shader Clock -	Shader Clock 1.84GHz

Cache

L2 Cache 256KB shared

L2 Cache 64KB shared

Memory

1048MB GDDR3	1GB GDDR3
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 1.7GT/s	Memory Speed 2GT/s
Memory Bandwidth 106GB/s	Memory Bandwidth 64GB/s

Power & Thermals

TDP 140W

TDP 141W

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 Open-Air 1x Fan	Cooling Blower 1x Fan
Power Connectors 1x 8-Pin, 1x 6-Pin	Power Connectors -

Chip

Manufacturer ATI	Manufacturer NVIDIA
Chip Designer ATI	Chip Designer NVIDIA
Architecture TeraScale 1	Architecture Tesla
Family Radeon HD 3000	Family GeForce 100
Branding	Branding
Codename Boom	Codename NV92
Chip Variant RV670 Pro	Chip Variant -
Market Segment Desktop	Market Segment Desktop
Release Date Apr 4, 2008	Release Date Mar 10, 2009

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 55nm	Fabrication Node 55nm
Die Size 192mm²	Die Size 260mm²
Transistor Count 666 Million	Transistor Count 754 Million
Transistor Density 3.47 MTr/mm²	Transistor Density 2.9 MTr/mm²

Images

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