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
|
FP32
960 GFLOPS
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
TDP
150W
|
TDP
95W
|
Power Connectors
2x 6-Pin
|
Power Connectors
1x 6-Pin
|
Peak AI Performance
|
|
Radeon HD 4870 Mac - 1.2 TFLOPS FP32
x1.25
Radeon HD 4810 - 960 GFLOPS FP32
x1
FP32
|
|
Radeon HD 4870 Mac - 1.2 TFLOPS FP32
x1.25
Radeon HD 4810 - 960 GFLOPS FP32
x1
|
|
Radeon HD 4870 Mac - 108.8GB/s
x1.89
Radeon HD 4810 - 57.6GB/s
x1
|
|
Radeon HD 4870 Mac - 150W
x1.58
Radeon HD 4810 - 95W
x1
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
0%
|
Manufacturer
ATI
|
Manufacturer
ATI
|
Chip Designer
ATI
|
Chip Designer
ATI
|
Architecture
TeraScale 1
|
Architecture
TeraScale 1
|
Family
Radeon HD 4000
|
Family
Radeon HD 4000
|
Codename
Wekiva
RV770
Variant
RV770 XT
|
Codename
Wekiva
RV770
Variant
RV770 CE
|
Market Segment
Desktop
|
Market Segment
Desktop
|
Release Date
6/25/2008
|
Release Date
5/28/2009
|
Foundry
TSMC
|
Foundry
TSMC
|
Fabrication Node
55nm
|
Fabrication Node
55nm
|
Die Size
256 mm²
|
Die Size
256 mm²
|
Transistor Count
956 Million
|
Transistor Count
956 Million
|
Transistor Density
3.73M/mm²
|
Transistor Density
3.73M/mm²
|
Form
PCIe Card
|
Form
PCIe Card
|
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
|
Compute Units
10 CUs
|
Compute Units
8 CUs
|
-
750MHz
|
625MHz Base
750MHz
|
Peak AI Performance
1.2 TFLOPS
FP32
|
Peak AI Performance
960 GFLOPS
FP32
|
FP32
1.2 TFLOPS
|
FP32
960 GFLOPS
|
FP64
240 GFLOPS
|
FP64
190 GFLOPS
|
Pixel Fillrate
12 GPixel/s
|
Pixel Fillrate
6 GPixel/s
|
Texture Fillrate
30 GTexel/s
|
Texture Fillrate
24 GTexel/s
|
L1
16KB/CU
|
L1
16KB/CU
|
L2
256KB Shared
|
L2
256KB Shared
|
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
|
TDP
150W
|
TDP
95W
|
-
1x DVI-I Dual-Link
1x mini-DisplayPort 1.0
|
1x S-Video
2x DVI-I Dual-Link
-
|
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
|
No Encoders
|
No Encoders
|
Model
UVD 2.0
|
Model
UVD 2.0
|
Codec
VC-1
AVC (H.264)
|
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
|
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)
|
-
-
-
-
-
-
|




















































































Copy Link