ATI Radeon HD 4850 X2 vs ATI Radeon HD 5750
ATI Radeon HD 4850 X2
$339
ATI Radeon HD 5750
$129
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2x 800 Shaders
2GB (2x 1GB) GDDR3
625MHz
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720 Shaders
1GB GDDR5
700MHz
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Peak AI Performance
2 TFLOPS
FP32
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Peak AI Performance
1.01 TFLOPS
FP32
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FP32
2 TFLOPS
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FP32
1.01 TFLOPS
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-
-
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-
-
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Form Factor
PCIe Card
2.0-Slots
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Form Factor
PCIe Card
2.0-Slots
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TDP
250W
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TDP
86W
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Power Connectors
1x 6-Pin
1x 8-Pin
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-
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Power Connectors
1x 6-Pin
-
-
-
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GB6 OpenCL N/A
0%
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GB6 Metal N/A
0%
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GB6 Metal N/A
0%
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GB6 Vulkan N/A
0%
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GB6 Vulkan N/A
0%
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GB5 OpenCL N/A
0%
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GB5 OpenCL N/A
0%
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GB5 CUDA N/A
0%
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GB5 CUDA N/A
0%
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GB5 Metal N/A
0%
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GB5 Metal N/A
0%
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GB5 Vulkan N/A
0%
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GB5 Vulkan N/A
0%
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OCT 2020.1 N/A
0%
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OCT 2020.1 N/A
0%
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OCT Metal N/A
0%
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OCT Metal N/A
0%
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Manufacturer
ATI
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Manufacturer
ATI
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Chip Designer
ATI
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Chip Designer
ATI
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Architecture
TeraScale 1
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Architecture
TeraScale 2
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Family
Radeon HD 4000
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Family
Radeon HD 5000
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Codename
Wekiva
RV770
Variant
RV770 Pro
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Codename
Juniper
RV840
Variant
Juniper Pro
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
11/7/2008
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Release Date
10/13/2009
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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
55nm
-
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Fabrication Node
40nm
-
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Die Size
2x 256 mm²
-
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Die Size
170 mm²
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Transistor Count
2x 956 Million
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Transistor Count
1 Billion
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Transistor Density
3.73M/mm²
-
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Transistor Density
6.12M/mm²
-
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Form
PCIe Card
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Form
PCIe Card
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Shading Units
2x 800 Shaders
-
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Shading Units
720 Shaders
-
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Texture Mapping Units
2x 40 TMUs
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Texture Mapping Units
36 TMUs
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Render Output Units
2x 16 ROPs
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Render Output Units
16 ROPs
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-
-
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-
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-
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-
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-
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-
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Compute Units
2x 10 CUs
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Compute Units
9 CUs
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-
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-
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-
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625MHz
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-
-
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700MHz
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Peak AI Performance
2 TFLOPS
FP32
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Peak AI Performance
1.01 TFLOPS
FP32
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-
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-
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-
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-
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FP32
2 TFLOPS
-
-
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FP32
1.01 TFLOPS
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-
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FP64
400 GFLOPS
-
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-
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Pixel Fillrate
10 GPixel/s
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Pixel Fillrate
11.2 GPixel/s
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-
-
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-
-
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Texture Fillrate
25 GTexel/s
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Texture Fillrate
25.2 GTexel/s
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-
-
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-
-
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L1
-
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16KB/CU
-
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L1
-
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8KB/CU
-
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L2
256KB Shared
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L2
256KB Shared
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-
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-
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-
-
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2GB (2x 1GB)
GDDR3
-
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1GB
GDDR5
-
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Bus Width
256Bit
|
Bus Width
128Bit
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Clock
995MHz
Transfer Rate
2GT/s
Bandwidth
63.7GB/s
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Clock
1150MHz
Transfer Rate
4.6GT/s
Bandwidth
73.6GB/s
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TDP
250W
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TDP
86W
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-
-
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-
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1x S-Video
-
-
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4x DVI-I Dual-Link
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2x DVI-I Dual-Link
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1x DisplayPort 1.1
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-
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1x HDMI 1.3
-
-
-
-
-
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Max Resolution
2560x1600
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Max Resolution
2560x1600
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Max Resolution Refresh Rate
60Hz
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
-
-
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Variable Refresh Rate
-
-
-
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Display Stream Compression (DSC)
Not Supported
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
4
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Multi Monitor Support
2
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-
-
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-
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No Encoders
-
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No Encoders
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Model
UVD 2.0
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Model
UVD 2.2
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Codec
-
-
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VC-1
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AVC (H.264)
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-
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Codec
-
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VC-1
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AVC (H.264)
-
-
-
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-
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Direct X
10
Direct 3D
10_1
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Direct X
11
Direct 3D
11_0
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OpenGL
3.3
OpenCL
1.1
-
-
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OpenGL
4.5
OpenCL
1.2
-
-
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Shader Model
4.1
-
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GFX
3
-
-
-
-
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Shader Model
5.0
-
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GFX
4
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-
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1x Fan
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-
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1x Fan
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Power Connectors
-
-
1x 6-Pin
1x 8-Pin
-
-
-
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Power Connectors
-
-
1x 6-Pin
-
-
-
-
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Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
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Multi GPU Support
Supported
Type
2-way CrossFireX
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Multi GPU Support
Supported
Type
4-way CrossFireX
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-
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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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