GPUs

NVIDIA GeForce 8800 Ultra vs ATI Radeon HD 3850 Full Specs

128 Shaders
612MHz
320 Shaders
668MHz
786MB GDDR3103.7GB/s
524MB GDDR457.6GB/s
··
384 GFLOPS
··
427.5 GFLOPS
Form Factor
PCIe Card
Form Factor
PCIe Card
TDP
175W
TDP
75W
Power Connectors
2x 6-Pin
Power Connectors
1x 6-Pin

GeForce 8800 UltraGeForce 8800 Ultra384 GFLOPSFP32
x1
Radeon HD 3850Radeon HD 3850427.5 GFLOPSFP32
x1.11

Clock Speed
··
Clock Speed
··
Peak OPS
384 GFLOPSFP32
Peak OPS
427.5 GFLOPSFP32
FP32
384 GFLOPS
FP32
427.5 GFLOPS
-
FP64
85.5 GFLOPS
Pixel Rate
36 GPixel/s
Pixel Rate
10.7 GPixel/s
Texture Rate
48 GTexel/s
Texture Rate
10.7 GTexel/s

Shaders
128 Shaders
Shaders
320 Shaders
TMUs
32 TMUs
TMUs
16 TMUs
ROPs
24 ROPs
ROPs
16 ROPs
SMs
16 SMs
CUs
4 CUs

Boost Clock
612MHz
Boost Clock
668MHz
Shader Clock
1.5GHz
Shader Clock
-

L2 Cache
96KB shared
L2 Cache
256KB shared

786MB GDDR3
524MB GDDR4
Memory Bus
384-bit
Memory Bus
256-bit
Memory Speed
2.2GT/s
Memory Speed
1.8GT/s
Memory Bandwidth
103.7GB/s
Memory Bandwidth
57.6GB/s

TDP
175W
TDP
75W

Multi-Monitor
2
Multi-Monitor
2

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

Decoder Model
VP1
Decoder Model
UVD 1.0

Form Factor
PCIe Card
Form Factor
PCIe Card
PCIe
2-Slots
PCIe
1-Slots
Height
140 mm (5.51")
Width
270 mm (10.63")
Depth
37 mm (1.46")
-
Cooling
Blower
1x Fan
Cooling
Blower
1x Fan
Power Connectors
2x 6-Pin
Power Connectors
1x 6-Pin

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
GeForce 2006 branding
Branding
Radeon 2007 branding
Codename
NV50
Codename
Boom
Chip Variant
-
Chip Variant
RV670 Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
May 2, 2007
Release Date
Nov 19, 2007

Foundry
TSMC
Foundry
TSMC
Fabrication Node
90nm
Fabrication Node
55nm
Die Size
484mm²
Die Size
192mm²
Transistor Count
681 Million
Transistor Count
666 Million
Transistor Density
1.41 MTr/mm²
Transistor Density
3.47 MTr/mm²

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