Radeon HD 5770 Mac vs Radeon HD 4770

Radeon HD 5770 Mac
Radeon HD 4770
800 Shaders
1GB GDDR5
850MHz
640 Shaders
512MB GDDR5
750MHz
FP32
1.36 TFLOPS
FP32
0.96 TFLOPS
-
-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
108W
TDP
80W
Power Connectors
1x 6-Pin
-
-
-
Power Connectors
1x 6-Pin
-
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
ATI
Manufacturer
ATI
Chip Designer
ATI
Chip Designer
ATI
Architecture
TeraScale 2
Architecture
TeraScale 1
Family
Radeon HD 5000
Family
Radeon HD 4000
Codename
Juniper
RV840
Variant
Juniper XT
Codename
Walden
RV740
Variant
RV740
Market Segment
Desktop
Market Segment
Desktop
Release Date
10/13/2009
Release Date
4/28/2009
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
40nm
-
Fabrication Node
40nm
-
Die Size
170 mm²
-
Die Size
137 mm²
-
Transistor Count
1 Billion
-
Transistor Count
826 Million
-
Transistor Density
6.12M/mm²
-
Transistor Density
6.03M/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
16 ROPs
-
-
-
-
-
-
-
-
-
-
-
-
Compute Units
10 CUs
Compute Units
8 CUs
-
-
-
-
-
-
-
-
-
-
-
850MHz
-
-
-
750MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
1.36 TFLOPS
FP32
0.96 TFLOPS
-
-
-
-
-
-
-
FP64
0.19 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
13.6 GPixel/s
Pixel Fillrate
12 GPixel/s
-
-
-
-
Texture Fillrate
34 GTexel/s
Texture Fillrate
24 GTexel/s
-
-
-
-
L1
-
-
8KB/CU
-
L1
-
-
16KB/CU
-
L2
256KB Shared
L2
128KB Shared
-
-
-
-
-
-
1GB
GDDR5
-
512MB
GDDR5
-
Bus Width
128Bit
Bus Width
128Bit
Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
76.8GB/s
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
51.2GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
108W
TDP
80W
-
-
-
-
-
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
-
2x mini-DisplayPort 1.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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 2.2
Model
UVD 2.2
Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Direct X
11
Direct 3D
11_0
Direct X
10
Direct 3D
10_1
OpenGL
4.5
OpenCL
1.2
-
-
OpenGL
3.3
OpenCL
1.1
-
-
Shader Model
5.0
-
-
GFX
4
-
-
-
-
Shader Model
4.1
-
-
GFX
3
-
-
-
-
-
-
-
1x Fan
-
-
-
1x Fan
Power Connectors
-
-
1x 6-Pin
-
-
-
-
Power Connectors
-
-
1x 6-Pin
-
-
-
-
Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
4-way CrossFireX
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
208 mm (8.19 in)
Depth
37 mm (1.46 in)
-
-
-
-
-
-
Change Results