ATI Radeon HD 5770 vs AMD Radeon HD 6850
ATI Radeon HD 5770
$159
AMD Radeon HD 6850
$179
|
800 Shaders
1GB GDDR5
850MHz
|
960 Shaders
1GB GDDR5
775MHz
|
|
Peak AI Performance
1.36 TFLOPS
FP32
|
Peak AI Performance
1.49 TFLOPS
FP32
|
|
FP32
1.36 TFLOPS
|
FP32
1.49 TFLOPS
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
108W
|
TDP
127W
|
|
Power Connectors
1x 6-Pin
|
Power Connectors
1x 6-Pin
|
Peak AI Performance
|
|
Radeon HD 5770 - 1.36 TFLOPS FP32
x1
Radeon HD 6850 - 1.49 TFLOPS FP32
x1.1
FP32
|
|
Radeon HD 5770 - 1.36 TFLOPS FP32
x1
Radeon HD 6850 - 1.49 TFLOPS FP32
x1.1
|
|
Radeon HD 5770 - 76.8GB/s
x1
Radeon HD 6850 - 128GB/s
x1.67
|
|
Radeon HD 5770 - 108W
x1
Radeon HD 6850 - 127W
x1.18
|
Manufacturer
ATI
|
Manufacturer
AMD
|
|
Chip Designer
ATI
|
Chip Designer
AMD
|
|
Architecture
TeraScale 2
|
Architecture
TeraScale 2
|
|
Family
Radeon HD 5000
|
Family
Radeon HD 6000
|
|
Codename
Juniper
RV840
Variant
Juniper XT
|
Codename
Barts
RV940
Variant
Barts Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
10/13/2009
|
Release Date
10/22/2010
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
40nm
|
Fabrication Node
40nm
|
|
Die Size
170 mm²
|
Die Size
255 mm²
|
|
Transistor Count
1 Billion
|
Transistor Count
1.7 Billion
|
|
Transistor Density
6.12M/mm²
|
Transistor Density
6.67M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
800 Shaders
|
Shading Units
960 Shaders
|
|
Texture Mapping Units
40 TMUs
|
Texture Mapping Units
48 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
32 ROPs
|
|
Compute Units
10 CUs
|
Compute Units
12 CUs
|
|
850MHz
|
775MHz
|
|
Peak AI Performance
1.36 TFLOPS
FP32
|
Peak AI Performance
1.49 TFLOPS
FP32
|
|
FP32
1.36 TFLOPS
|
FP32
1.49 TFLOPS
|
|
Pixel Fillrate
13.6 GPixel/s
|
Pixel Fillrate
24.8 GPixel/s
|
|
Texture Fillrate
34 GTexel/s
|
Texture Fillrate
37.2 GTexel/s
|
|
L1
8KB/CU
|
L1
8KB/CU
|
|
L2
256KB Shared
|
L2
512KB Shared
|
|
1GB
GDDR5
|
1GB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
256Bit
|
|
Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
76.8GB/s
|
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
128GB/s
|
|
TDP
108W
|
TDP
127W
|
|
2x DVI-I Dual-Link
-
1x DisplayPort 1.1
1x HDMI 1.3
|
2x DVI-I Dual-Link
2x mini-DisplayPort 1.1
-
1x HDMI 1.3
|
|
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 3.0
|
|
Codec
-
-
-
VC-1
AVC (H.264)
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
|
Direct X
11
Direct 3D
11_0
|
Direct X
11
Direct 3D
11_0
|
|
OpenGL
4.5
OpenCL
1.2
|
OpenGL
4.5
OpenCL
1.2
|
|
Shader Model
5.0
GFX
4
|
Shader Model
5.0
GFX
4
|
|
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
2.0
PCIe Version
2.1
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
4-way CrossFireX
|
Multi GPU Support
Supported
Type
4-way CrossFireX
|
|
Height
111 mm (4.37 in)
Width
208 mm (8.19 in)
Depth
37 mm (1.46 in)
|
Height
111 mm (4.37 in)
Width
247 mm (9.72 in)
Depth
36 mm (1.42 in)
|
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