GeForce 8800 Ultra vs Radeon HD 3870

GeForce 8800 Ultra
Radeon HD 3870
128 Shaders
768MB GDDR3
612MHz
320 Shaders
1GB GDDR4
777MHz
FP32
0.38 TFLOPS
FP32
0.5 TFLOPS
-
-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
175W
TDP
106W
Power Connectors
2x 6-Pin
-
-
-
Power Connectors
1x 6-Pin
-
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
NVIDIA
Manufacturer
ATI
Chip Designer
NVIDIA
Chip Designer
ATI
Architecture
Tesla
Architecture
TeraScale 1
Family
GeForce 8000
Family
Radeon HD 3000
Codename
NV50
G80
Variant
G80-450-A3
Codename
Boom
RV670
Variant
RV670 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/2/2007
Release Date
11/19/2007
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
90nm
-
Fabrication Node
55nm
-
Die Size
484 mm²
-
Die Size
192 mm²
-
Transistor Count
681 Million
-
Transistor Count
666 Million
-
Transistor Density
1.41M/mm²
-
Transistor Density
3.47M/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
-
-
-
777MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
0.38 TFLOPS
FP32
0.5 TFLOPS
-
-
-
-
FP64
0.05 TFLOPS
-
FP64
0.1 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
14.688 GPixel/s
Pixel Fillrate
12.432 GPixel/s
-
-
-
-
Texture Fillrate
19.584 GTexel/s
Texture Fillrate
12.432 GTexel/s
-
-
-
-
L1
-
-
-
Unknown
L1
-
-
-
Unknown
L2
96KB Shared
L2
256KB Shared
-
-
-
-
-
-
768MB
GDDR3
-
1GB
GDDR4
-
Bus Width
384Bit
Bus Width
256Bit
Clock
1080MHz
Transfer Rate
2.2GT/s
Bandwidth
103.7GB/s
Clock
1126MHz
Transfer Rate
2.3GT/s
Bandwidth
72.1GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
175W
TDP
106W
-
-
-
-
-
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
Variable Refresh Rate
-
-
-
Variable Refresh Rate
-
-
-
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_1
OpenGL
3.3
OpenCL
1.1
-
-
OpenGL
3.3
OpenCL
1.1
-
-
Shader Model
4.0
CUDA
1.0
-
-
PureVideo HD
VP1
-
-
Shader Model
4.1
-
-
GFX
3
-
-
-
-
-
-
-
1x Fan
-
-
-
1x Fan
Power Connectors
-
-
2x 6-Pin
-
-
-
-
Power Connectors
-
-
1x 6-Pin
-
-
-
-
Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.0
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 Results