NVIDIA GeForce 8800 Ultra vs ATI Radeon HD 2900 Pro

NVIDIA GeForce 8800 Ultra $829
ATI Radeon HD 2900 Pro $250
128 Shaders
768MB GDDR3
612MHz
320 Shaders
512MB GDDR3
600MHz
Peak AI Performance
0.38 TOPS
INT32
Peak AI Performance
380 GFLOPS
FP32
FP32
380 GFLOPS
FP32
380 GFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
175W
TDP
200W
Power Connectors
2x 6-Pin
-
Power Connectors
-
1x 8-Pin

Peak AI Performance

  • Same Performance vs Radeon HD 2900 Pro
  • Same Performance vs GeForce 8800 Ultra
GeForce 8800 Ultra - 0.38 TOPS INT32
x1
Radeon HD 2900 Pro - 380 GFLOPS FP32
x1

FP32

  • Same Performance vs Radeon HD 2900 Pro
  • Same Performance vs GeForce 8800 Ultra
GeForce 8800 Ultra - 380 GFLOPS FP32
x1
Radeon HD 2900 Pro - 380 GFLOPS FP32
x1
  • 1% faster vs Radeon HD 2900 Pro
  • 1% slower vs GeForce 8800 Ultra
GeForce 8800 Ultra - 103.7GB/s
x1.01
Radeon HD 2900 Pro - 102.4GB/s
x1
  • 13% lower vs Radeon HD 2900 Pro
  • 14% higher vs GeForce 8800 Ultra
GeForce 8800 Ultra - 175W
x1
Radeon HD 2900 Pro - 200W
x1.14
Manufacturer
NVIDIA
Manufacturer
ATI
Chip Designer
NVIDIA
Chip Designer
ATI
Architecture
Tesla
Architecture
TeraScale 1
Family
GeForce 8000
Family
Radeon HD 2000
Codename
NV50
G80
Variant
G80-450-A3
Codename
Pele
R600
Variant
R600 Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/2/2007
Release Date
9/25/2007
Foundry
TSMC
Foundry
TSMC
Fabrication Node
90nm
Fabrication Node
80nm
Die Size
484 mm²
Die Size
420 mm²
Transistor Count
681 Million
Transistor Count
720 Million
Transistor Density
1.41M/mm²
Transistor Density
1.71M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
128 Shaders
Shading Units
320 Shaders
Texture Mapping Units
32 TMUs
Texture Mapping Units
16 TMUs
Render Output Units
24 ROPs
Render Output Units
16 ROPs
Streaming Multiprocessors
16 SMs
-
-
-
-
Compute Units
4 CUs
1500MHz Shader
612MHz
-
600MHz
Peak AI Performance
0.38 TOPS
INT32
Peak AI Performance
380 GFLOPS
FP32
FP32
380 GFLOPS
FP32
380 GFLOPS
INT32
0.38 TOPS
-
-
Pixel Fillrate
14.688 GPixel/s
Pixel Fillrate
9.6 GPixel/s
Texture Fillrate
19.584 GTexel/s
Texture Fillrate
9.6 GTexel/s
L1
Unknown
L1
Unknown
L2
96KB Shared
L2
256KB Shared
768MB
GDDR3
512MB
GDDR3
Bus Width
384Bit
Bus Width
512Bit
Clock
1080MHz
Transfer Rate
2.2GT/s
Bandwidth
103.7GB/s
Clock
800MHz
Transfer Rate
1.6GT/s
Bandwidth
102.4GB/s
TDP
175W
TDP
200W
1x S-Video
2x DVI-I Dual-Link
1x S-Video
2x DVI-I Dual-Link
Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
No Encoders
No Encoders
No Decoders
Model
UVD 1.0
-
-
Codec
VC-1
AVC (H.264)
Direct X
11
Direct 3D
10_0
Direct X
10
Direct 3D
10_0
OpenGL
3.3
OpenCL
1.1
OpenGL
3.3
OpenCL
1.1
Shader Model
4.0
CUDA
1.0
-
-
PureVideo HD
VP1
Shader Model
4.0
-
-
GFX
3
-
-
1x Fan
1x Fan
Power Connectors
2x 6-Pin
-
Power Connectors
-
1x 8-Pin
Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
4-way SLI
Multi GPU Support
Supported
Type
4-way CrossFireX
Height
140 mm (5.51 in)
Width
270 mm (10.63 in)
Depth
37 mm (1.46 in)
-
-
-
-
-
-
Change Comparison