GeForce GTX 295 vs Radeon HD 3870 X2

GeForce GTX 295
Radeon HD 3870 X2
2x 240 Shaders
2x 896MB GDDR3
576MHz
2x 320 Shaders
2x 512MB GDDR4
825MHz
FP32
1.19 TFLOPS
FP32
1.06 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
289W
TDP
165W
Power Connectors
1x 6-Pin
1x 8-Pin
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Power Connectors
1x 6-Pin
1x 8-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
NVIDIA
Manufacturer
ATI
Chip Designer
NVIDIA
Chip Designer
ATI
Architecture
Tesla 2
Architecture
TeraScale 1
Family
GeForce 200
Family
Radeon HD 3000
Codename
NVA0
GT200B
Variant
GT200-400-B3
Codename
Boom
R680
Variant
R680 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/8/2009
Release Date
1/28/2008
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
55nm
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Fabrication Node
55nm
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Die Size
2x 470 mm²
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Die Size
2x 192 mm²
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Transistor Count
2x 1.4 Billion
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Transistor Count
2x 666 Million
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Transistor Density
2.98M/mm²
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Transistor Density
3.47M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2x 240 Shaders
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Shading Units
2x 320 Shaders
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Texture Mapping Units
2x 80 TMUs
Texture Mapping Units
2x 16 TMUs
Render Output Units
2x 28 ROPs
Render Output Units
2x 16 ROPs
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Streaming Multiprocessors
2x 30 SMs
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Compute Units
2x 4 CUs
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1242MHz Shader
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576MHz
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825MHz
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FP32
1.19 TFLOPS
FP32
1.06 TFLOPS
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FP64
0.15 TFLOPS
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FP64
0.21 TFLOPS
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Pixel Fillrate
16.128 GPixel/s
Pixel Fillrate
13.2 GPixel/s
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Texture Fillrate
46.08 GTexel/s
Texture Fillrate
13.2 GTexel/s
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L1
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Unknown
L1
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Unknown
L2
256KB Shared
L2
256KB Shared
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2x 896MB
GDDR3
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2x 512MB
GDDR4
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Bus Width
448Bit
Bus Width
256Bit
Clock
999MHz
Transfer Rate
2GT/s
Bandwidth
111.9GB/s
Clock
1125MHz
Transfer Rate
2.3GT/s
Bandwidth
72GB/s
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TDP
289W
TDP
165W
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2x DVI-I Dual-Link
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1x HDMI 1.3
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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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No Decoders
Model
UVD 1.0
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Codec
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VC-1
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AVC (H.264)
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Direct X
11
Direct 3D
10_0
Direct X
10
Direct 3D
10_1
OpenGL
3.3
OpenCL
1.1
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OpenGL
3.3
OpenCL
1.1
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Shader Model
4.0
CUDA
1.3
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PureVideo HD
VP2
VDPAU
Feature Set A
Shader Model
4.1
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GFX
3
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1x Fan
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1x Fan
Power Connectors
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1x 6-Pin
1x 8-Pin
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Power Connectors
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1x 6-Pin
1x 8-Pin
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Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way SLI
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
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Change Results