Radeon HD 4770 vs GeForce GTX 275

Radeon HD 4770
GeForce GTX 275
640 Shaders
512MB GDDR5
750MHz
240 Shaders
896MB GDDR3
633MHz
FP32
0.96 TFLOPS
FP32
0.67 TFLOPS
-
-
-
-
Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
80W
TDP
219W
Power Connectors
1x 6-Pin
-
-
-
Power Connectors
2x 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
NVIDIA
Chip Designer
ATI
Chip Designer
NVIDIA
Architecture
TeraScale 1
Architecture
Tesla 2
Family
Radeon HD 4000
Family
GeForce 200
Codename
Walden
RV740
Variant
RV740
Codename
NVA0
GT200B
Variant
GT200-105-B3
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/28/2009
Release Date
4/9/2009
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
40nm
-
Fabrication Node
55nm
-
Die Size
137 mm²
-
Die Size
470 mm²
-
Transistor Count
826 Million
-
Transistor Count
1.4 Billion
-
Transistor Density
6.03M/mm²
-
Transistor Density
2.98M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
640 Shaders
-
Shading Units
240 Shaders
-
Texture Mapping Units
32 TMUs
Texture Mapping Units
80 TMUs
Render Output Units
16 ROPs
Render Output Units
28 ROPs
-
-
-
-
-
-
-
-
-
-
Streaming Multiprocessors
30 SMs
Compute Units
8 CUs
-
-
-
-
-
-
-
-
-
-
-
-
-
750MHz
-
1404MHz Shader
-
633MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
0.96 TFLOPS
FP32
0.67 TFLOPS
-
-
-
-
FP64
0.19 TFLOPS
-
FP64
0.08 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
12 GPixel/s
Pixel Fillrate
17.724 GPixel/s
-
-
-
-
Texture Fillrate
24 GTexel/s
Texture Fillrate
50.64 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
-
-
-
Unknown
L2
128KB Shared
L2
256KB Shared
-
-
-
-
-
-
512MB
GDDR5
-
896MB
GDDR3
-
Bus Width
128Bit
Bus Width
448Bit
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
51.2GB/s
Clock
1134MHz
Transfer Rate
2.3GT/s
Bandwidth
127GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
80W
TDP
219W
-
-
-
-
-
1x S-Video
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
No Decoders
Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Direct X
10
Direct 3D
10_1
Direct X
11
Direct 3D
10_0
OpenGL
3.3
OpenCL
1.1
-
-
OpenGL
3.3
OpenCL
1.1
-
-
Shader Model
4.1
-
-
GFX
3
-
-
-
-
Shader Model
4.0
CUDA
1.3
-
-
PureVideo HD
VP2
VDPAU
Feature Set A
-
-
-
1x Fan
-
-
-
1x Fan
Power Connectors
-
-
1x 6-Pin
-
-
-
-
Power Connectors
-
-
2x 6-Pin
-
-
-
-
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way CrossFireX
Multi GPU Support
Supported
Type
3-way SLI
-
-
-
-
-
-
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
Change Results