GPUs

NVIDIA GeForce 9800 GTX vs ATI Radeon HD 3850 X2 Full Specs

128 Shaders
675MHz
640 Shaders
668MHz
524MB GDDR370.4GB/s
1048MB GDDR3106GB/s
··
432.1 GFLOPS
··
855 GFLOPS
Form Factor
PCIe Card
Form Factor
PCIe Card
TDP
140W
TDP
140W
Power Connectors
-
2x 6-Pin
Power Connectors
1x 8-Pin
1x 6-Pin

GeForce 9800 GTXGeForce 9800 GTX432.1 GFLOPSFP32
x1
Radeon HD 3850 X2Radeon HD 3850 X2855 GFLOPSFP32 (2x 427.5 GFLOPS)
x1.98

Clock Speed
··
Clock Speed
··
Peak OPS
432.1 GFLOPSFP32
Peak OPS
855 GFLOPSFP32
FP32
432.1 GFLOPS
FP32
855 GFLOPS
-
FP64
171 GFLOPS
Pixel Rate
27 GPixel/s
Pixel Rate
10.7 GPixel/s
Texture Rate
108 GTexel/s
Texture Rate
10.7 GTexel/s

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

Boost Clock
675MHz
Boost Clock
668MHz
Shader Clock
1.69GHz
Shader Clock
-

L2 Cache
64KB shared
L2 Cache
256KB shared

524MB GDDR3
1048MB GDDR3
Memory Bus
256-bit
Memory Bus
256-bit
Memory Speed
2.2GT/s
Memory Speed
1.7GT/s
Memory Bandwidth
70.4GB/s
Memory Bandwidth
106GB/s

TDP
140W
TDP
140W

Multi-Monitor
2
Multi-Monitor
2

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

Decoder Model
VP2
Decoder Model
UVD 1.0

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
Open-Air
1x Fan
Power Connectors
2x 6-Pin
Power Connectors
1x 8-Pin, 1x 6-Pin

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
GeForce 2006 branding
Branding
Radeon 2007 branding
Codename
NV92
Codename
Boom
Chip Variant
-
Chip Variant
RV670 Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
Apr 1, 2008
Release Date
Apr 4, 2008

Foundry
TSMC
Foundry
TSMC
Fabrication Node
65nm
Fabrication Node
55nm
Die Size
324mm²
Die Size
192mm²
Transistor Count
754 Million
Transistor Count
666 Million
Transistor Density
2.33 MTr/mm²
Transistor Density
3.47 MTr/mm²

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