ATI Radeon HD 4850 X2 vs ATI Radeon HD 5750
ATI Radeon HD 4850 X2
$339
ATI Radeon HD 5750
$129
|
2x 800 Shaders
2GB (2x 1GB) GDDR3
625MHz
|
720 Shaders
1GB GDDR5
700MHz
|
|
Peak AI Performance
2 TFLOPS
FP32
|
Peak AI Performance
1.01 TFLOPS
FP32
|
|
FP32
2 TFLOPS
|
FP32
1.01 TFLOPS
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
250W
|
TDP
86W
|
|
Power Connectors
1x 6-Pin
1x 8-Pin
|
Power Connectors
1x 6-Pin
-
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Peak AI Performance
|
|
Radeon HD 4850 X2 - 2 TFLOPS FP32
x1.98
Radeon HD 5750 - 1.01 TFLOPS FP32
x1
FP32
|
|
Radeon HD 4850 X2 - 2 TFLOPS FP32
x1.98
Radeon HD 5750 - 1.01 TFLOPS FP32
x1
|
|
Radeon HD 4850 X2 - 63.7GB/s
x1
Radeon HD 5750 - 73.6GB/s
x1.16
|
|
Radeon HD 4850 X2 - 250W
x2.91
Radeon HD 5750 - 86W
x1
|
Manufacturer
ATI
|
Manufacturer
ATI
|
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Chip Designer
ATI
|
Chip Designer
ATI
|
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Architecture
TeraScale 1
|
Architecture
TeraScale 2
|
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Family
Radeon HD 4000
|
Family
Radeon HD 5000
|
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Codename
Wekiva
RV770
Variant
RV770 Pro
|
Codename
Juniper
RV840
Variant
Juniper Pro
|
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Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
11/7/2008
|
Release Date
10/13/2009
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
55nm
|
Fabrication Node
40nm
|
|
Die Size
2x 256 mm²
|
Die Size
170 mm²
|
|
Transistor Count
2x 956 Million
|
Transistor Count
1 Billion
|
|
Transistor Density
3.73M/mm²
|
Transistor Density
6.12M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
2x 800 Shaders
|
Shading Units
720 Shaders
|
|
Texture Mapping Units
2x 40 TMUs
|
Texture Mapping Units
36 TMUs
|
|
Render Output Units
2x 16 ROPs
|
Render Output Units
16 ROPs
|
|
Compute Units
2x 10 CUs
|
Compute Units
9 CUs
|
|
625MHz
|
700MHz
|
|
Peak AI Performance
2 TFLOPS
FP32
|
Peak AI Performance
1.01 TFLOPS
FP32
|
|
FP32
2 TFLOPS
|
FP32
1.01 TFLOPS
|
|
FP64
400 GFLOPS
|
-
-
|
|
Pixel Fillrate
10 GPixel/s
|
Pixel Fillrate
11.2 GPixel/s
|
|
Texture Fillrate
25 GTexel/s
|
Texture Fillrate
25.2 GTexel/s
|
|
L1
16KB/CU
|
L1
8KB/CU
|
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L2
256KB Shared
|
L2
256KB Shared
|
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2GB (2x 1GB)
GDDR3
|
1GB
GDDR5
|
|
Bus Width
256Bit
|
Bus Width
128Bit
|
|
Clock
995MHz
Transfer Rate
2GT/s
Bandwidth
63.7GB/s
|
Clock
1150MHz
Transfer Rate
4.6GT/s
Bandwidth
73.6GB/s
|
|
TDP
250W
|
TDP
86W
|
|
1x S-Video
4x DVI-I Dual-Link
-
-
|
-
2x DVI-I Dual-Link
1x DisplayPort 1.1
1x HDMI 1.3
|
|
Max Resolution
2560x1600
|
Max Resolution
2560x1600
|
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Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
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Variable Refresh Rate
|
Variable Refresh Rate
|
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Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
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Multi Monitor Support
4
|
Multi Monitor Support
2
|
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No Encoders
|
No Encoders
|
|
Model
UVD 2.0
|
Model
UVD 2.2
|
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Codec
VC-1
AVC (H.264)
|
Codec
VC-1
AVC (H.264)
|
|
Direct X
10
Direct 3D
10_1
|
Direct X
11
Direct 3D
11_0
|
|
OpenGL
3.3
OpenCL
1.1
|
OpenGL
4.5
OpenCL
1.2
|
|
Shader Model
4.1
GFX
3
|
Shader Model
5.0
GFX
4
|
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1x Fan
|
1x Fan
|
|
Power Connectors
1x 6-Pin
1x 8-Pin
|
Power Connectors
1x 6-Pin
-
|
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
2-way CrossFireX
|
Multi GPU Support
Supported
Type
4-way CrossFireX
|
|
-
-
-
-
-
-
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Height
111 mm (4.37 in)
Width
178 mm (7.01 in)
Depth
20 mm (0.79 in)
|
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