ATI Radeon HD 4870 Mac vs ATI Radeon HD 4810
ATI Radeon HD 4870 Mac
ATI Radeon HD 4810
|
800 Shaders
512MB GDDR5
750MHz
|
640 Shaders
512MB GDDR5
750MHz
|
|
Peak AI Performance
1.2 TFLOPS
FP32
|
Peak AI Performance
960 GFLOPS
FP32
|
|
FP32
1.2 TFLOPS
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FP32
960 GFLOPS
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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
150W
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TDP
95W
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Power Connectors
2x 6-Pin
-
-
-
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Power Connectors
1x 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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Manufacturer
ATI
|
Manufacturer
ATI
|
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Chip Designer
ATI
|
Chip Designer
ATI
|
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Architecture
TeraScale 1
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Architecture
TeraScale 1
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Family
Radeon HD 4000
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Family
Radeon HD 4000
|
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Codename
Wekiva
RV770
Variant
RV770 XT
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Codename
Wekiva
RV770
Variant
RV770 CE
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Market Segment
Desktop
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Market Segment
Desktop
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|
Release Date
6/25/2008
|
Release Date
5/28/2009
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|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
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Fabrication Node
55nm
-
|
Fabrication Node
55nm
-
|
|
Die Size
256 mm²
-
|
Die Size
256 mm²
-
|
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Transistor Count
956 Million
-
|
Transistor Count
956 Million
-
|
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Transistor Density
3.73M/mm²
-
|
Transistor Density
3.73M/mm²
-
|
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Form
PCIe Card
|
Form
PCIe Card
|
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Shading Units
800 Shaders
-
|
Shading Units
640 Shaders
-
|
|
Texture Mapping Units
40 TMUs
|
Texture Mapping Units
32 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
8 ROPs
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-
-
|
-
-
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-
-
|
-
-
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-
-
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-
-
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Compute Units
10 CUs
|
Compute Units
8 CUs
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-
-
|
-
-
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-
-
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-
-
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-
-
-
750MHz
|
-
-
625MHz Base
750MHz
|
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Peak AI Performance
1.2 TFLOPS
FP32
|
Peak AI Performance
960 GFLOPS
FP32
|
|
-
-
-
|
-
-
-
|
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-
-
-
-
-
-
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-
-
-
-
-
-
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-
-
-
-
-
-
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-
-
-
-
-
-
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FP32
1.2 TFLOPS
-
-
|
FP32
960 GFLOPS
-
-
|
|
FP64
240 GFLOPS
-
|
FP64
190 GFLOPS
-
|
|
-
-
-
-
|
-
-
-
-
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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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-
-
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-
-
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-
-
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-
-
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Pixel Fillrate
12 GPixel/s
|
Pixel Fillrate
6 GPixel/s
|
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-
-
|
-
-
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Texture Fillrate
30 GTexel/s
|
Texture Fillrate
24 GTexel/s
|
|
-
-
|
-
-
|
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L1
-
-
16KB/CU
-
|
L1
-
-
16KB/CU
-
|
|
L2
256KB Shared
|
L2
256KB Shared
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-
-
-
|
-
-
-
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512MB
GDDR5
-
|
512MB
GDDR5
-
|
|
Bus Width
256Bit
|
Bus Width
128Bit
|
|
Clock
850MHz
Transfer Rate
3.4GT/s
Bandwidth
108.8GB/s
|
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
57.6GB/s
|
|
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
|
|
TDP
150W
|
TDP
95W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
1x mini-DisplayPort 1.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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1x S-Video
-
-
-
-
-
-
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
-
-
-
|
Variable Refresh Rate
-
-
-
|
|
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
-
|
No Encoders
-
|
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Model
UVD 2.0
|
Model
UVD 2.0
|
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Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
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Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Direct X
10
Direct 3D
10_1
|
Direct X
10
Direct 3D
10_1
|
|
OpenGL
3.3
OpenCL
1.1
-
-
|
OpenGL
3.3
OpenCL
1.1
-
-
|
|
Shader Model
4.1
-
-
GFX
3
-
-
-
-
|
Shader Model
4.1
-
-
GFX
3
-
-
-
-
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|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
2x 6-Pin
-
-
-
-
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
|
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
4-way CrossFireX
|
Multi GPU Support
Supported
Type
2-way CrossFireX
|
|
Height
110 mm (4.33 in)
Width
250 mm (9.84 in)
Depth
37 mm (1.46 in)
|
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