ATI Radeon HD 5770 Mac vs ATI Radeon HD 4870 Mac
ATI Radeon HD 5770 Mac
$159
ATI Radeon HD 4870 Mac
|
800 Shaders
1GB GDDR5
850MHz
|
800 Shaders
512MB GDDR5
750MHz
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Peak AI Performance
1.36 TFLOPS
FP32
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Peak AI Performance
1.2 TFLOPS
FP32
|
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FP32
1.36 TFLOPS
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FP32
1.2 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
108W
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TDP
150W
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Power Connectors
1x 6-Pin
-
-
-
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Power Connectors
2x 6-Pin
-
-
-
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GB6 OpenCL N/A
0%
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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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Peak AI
Performance
1.36 TFLOPS
FP32
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Peak AI
Performance
1.2 TFLOPS
FP32
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FP32
1.36 TFLOPS
-
-
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FP32
1.2 TFLOPS
-
-
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-
-
-
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FP64
240 GFLOPS
-
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Pixel
Fillrate
13.6 GPixel/s
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Pixel
Fillrate
12 GPixel/s
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-
-
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-
-
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Texture
Fillrate
34 GTexel/s
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Texture
Fillrate
30 GTexel/s
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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 2
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Architecture
TeraScale 1
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Family
Radeon HD 5000
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Family
Radeon HD 4000
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Codename
Juniper
RV840
Variant
Juniper XT
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Codename
Wekiva
RV770
Variant
RV770 XT
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Market Segment
Desktop
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Market Segment
Desktop
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Release Date
10/13/2009
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Release Date
6/25/2008
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Foundry
TSMC
-
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Foundry
TSMC
-
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Fabrication Node
40nm
-
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Fabrication Node
55nm
-
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Die Size
170 mm²
-
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Die Size
256 mm²
-
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Transistor Count
1 Billion
-
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Transistor Count
956 Million
-
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Transistor Density
6.12M/mm²
-
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Transistor Density
3.73M/mm²
-
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Form
PCIe Card
|
Form
PCIe Card
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Shading Units
800 Shaders
-
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Shading Units
800 Shaders
-
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Texture Mapping Units
40 TMUs
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Texture Mapping Units
40 TMUs
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Render Output Units
16 ROPs
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Render Output Units
16 ROPs
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-
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Compute Units
10 CUs
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Compute Units
10 CUs
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-
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-
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-
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-
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850MHz
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750MHz
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-
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L1
-
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8KB/CU
-
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L1
-
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16KB/CU
-
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L2
256KB Shared
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L2
256KB Shared
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-
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1GB
GDDR5
-
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512MB
GDDR5
-
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Bus Width
128Bit
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Bus Width
256Bit
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Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
76.8GB/s
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Clock
850MHz
Transfer Rate
3.4GT/s
Bandwidth
108.8GB/s
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TDP
108W
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TDP
150W
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1x DVI-I Dual-Link
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2x mini-DisplayPort 1.1
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1x DVI-I Dual-Link
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1x mini-DisplayPort 1.0
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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
2
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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 2.2
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Model
UVD 2.0
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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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-
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Direct X
11
Direct 3D
11_0
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Direct X
10
Direct 3D
10_1
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OpenGL
4.5
OpenCL
1.2
-
-
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OpenGL
3.3
OpenCL
1.1
-
-
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Shader Model
5.0
-
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GFX
4
-
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-
-
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Shader Model
4.1
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GFX
3
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1x Fan
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1x Fan
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Power Connectors
-
-
1x 6-Pin
-
-
-
-
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Power Connectors
-
-
2x 6-Pin
-
-
-
-
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Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
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Multi GPU Support
Supported
Type
4-way CrossFireX
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Multi GPU Support
Supported
Type
4-way CrossFireX
|
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Height
111 mm (4.37 in)
Width
208 mm (8.19 in)
Depth
37 mm (1.46 in)
|
Height
110 mm (4.33 in)
Width
250 mm (9.84 in)
Depth
37 mm (1.46 in)
|
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