Radeon HD 3850 vs GeForce 8800 GTX

Radeon HD 3850
GeForce 8800 GTX
320 Shaders
512MB GDDR4
668MHz
128 Shaders
768MB GDDR3
575MHz
FP32
0.43 TFLOPS
FP32
0.35 TFLOPS
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Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
75W
TDP
145W
Power Connectors
1x 6-Pin
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Power Connectors
2x 6-Pin
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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
ATI
Manufacturer
NVIDIA
Chip Designer
ATI
Chip Designer
NVIDIA
Architecture
TeraScale 1
Architecture
Tesla
Family
Radeon HD 3000
Family
GeForce 8000
Codename
Boom
RV670
Variant
RV670 Pro
Codename
NV50
G80
Variant
G80-300-A2
Market Segment
Desktop
Market Segment
Desktop
Release Date
11/19/2007
Release Date
11/8/2006
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
55nm
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Fabrication Node
90nm
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Die Size
192 mm²
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Die Size
484 mm²
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Transistor Count
666 Million
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Transistor Count
681 Million
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Transistor Density
3.47M/mm²
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Transistor Density
1.41M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
320 Shaders
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Shading Units
128 Shaders
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Texture Mapping Units
16 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
16 ROPs
Render Output Units
24 ROPs
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Streaming Multiprocessors
16 SMs
Compute Units
4 CUs
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668MHz
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1350MHz Shader
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575MHz
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FP32
0.43 TFLOPS
FP32
0.35 TFLOPS
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FP64
0.09 TFLOPS
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FP64
0.04 TFLOPS
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Pixel Fillrate
10.688 GPixel/s
Pixel Fillrate
13.8 GPixel/s
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Texture Fillrate
10.688 GTexel/s
Texture Fillrate
18.4 GTexel/s
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L1
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Unknown
L1
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Unknown
L2
256KB Shared
L2
96KB Shared
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512MB
GDDR4
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768MB
GDDR3
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Bus Width
256Bit
Bus Width
384Bit
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
57.6GB/s
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
86.4GB/s
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TDP
75W
TDP
145W
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1x S-Video
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2x DVI-I Dual-Link
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1x S-Video
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2x DVI-I Dual-Link
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Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
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-
Variable Refresh Rate
-
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
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No Encoders
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No Encoders
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Model
UVD 1.0
No Decoders
Codec
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VC-1
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AVC (H.264)
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Direct X
10
Direct 3D
10_1
Direct X
11
Direct 3D
10_0
OpenGL
3.3
OpenCL
1.1
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OpenGL
3.3
OpenCL
1.1
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Shader Model
4.1
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GFX
3
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Shader Model
4.0
CUDA
1.0
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PureVideo HD
VP1
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1x Fan
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1x Fan
Power Connectors
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1x 6-Pin
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Power Connectors
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2x 6-Pin
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Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
4-way CrossFireX
Multi GPU Support
Supported
Type
4-way SLI
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Height
111 mm (4.37 in)
Width
270 mm (10.63 in)
Depth
37 mm (1.46 in)
Change Results