Radeon HD 3850 X2 vs GeForce GTX 260

Radeon HD 3850 X2
GeForce GTX 260
2x 320 Shaders
2x 512MB GDDR3
668MHz
192 Shaders
896MB GDDR3
576MHz
FP32
0.86 TFLOPS
FP32
0.48 TFLOPS
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Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
140W
TDP
182W
Power Connectors
1x 6-Pin
1x 8-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 2
Family
Radeon HD 3000
Family
GeForce 200
Codename
Boom
RV670
Variant
RV670 Pro
Codename
NVA0
GT200
Variant
GT200-100-A2
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/4/2008
Release Date
6/16/2008
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
55nm
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Fabrication Node
65nm
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Die Size
2x 192 mm²
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Die Size
576 mm²
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Transistor Count
2x 666 Million
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Transistor Count
1.4 Billion
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Transistor Density
3.47M/mm²
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Transistor Density
2.43M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
2x 320 Shaders
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Shading Units
192 Shaders
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Texture Mapping Units
2x 16 TMUs
Texture Mapping Units
64 TMUs
Render Output Units
2x 16 ROPs
Render Output Units
28 ROPs
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Streaming Multiprocessors
24 SMs
Compute Units
2x 4 CUs
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668MHz
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1242MHz Shader
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576MHz
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FP32
0.86 TFLOPS
FP32
0.48 TFLOPS
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FP64
0.17 TFLOPS
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FP64
0.06 TFLOPS
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Pixel Fillrate
10.688 GPixel/s
Pixel Fillrate
16.128 GPixel/s
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Texture Fillrate
10.688 GTexel/s
Texture Fillrate
36.864 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 512MB
GDDR3
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896MB
GDDR3
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Bus Width
256Bit
Bus Width
448Bit
Clock
828MHz
Transfer Rate
1.7GT/s
Bandwidth
53GB/s
Clock
999MHz
Transfer Rate
2GT/s
Bandwidth
111.9GB/s
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TDP
140W
TDP
182W
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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
1.3
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PureVideo HD
VP2
VDPAU
Feature Set A
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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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2x 6-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 CrossFireX
Multi GPU Support
Supported
Type
3-way SLI
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Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
Change Results