GeForce GT 645 vs Radeon HD 6750
GeForce GT 645
Radeon HD 6750
|
288 Shaders
1GB GDDR5
776MHz
|
720 Shaders
1GB GDDR5
700MHz
|
|
FP32
0.89 TFLOPS
|
FP32
1.01 TFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
140W
|
TDP
86W
|
|
-
-
-
-
-
|
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
NVIDIA
|
Manufacturer
AMD
|
|
Chip Designer
NVIDIA
|
Chip Designer
AMD
|
|
Architecture
Fermi
|
Architecture
TeraScale 2
|
|
Family
GeForce 600
|
Family
Radeon HD 6000
|
|
Codename
NVCE
GF114
Variant
GF114-400-A1
|
Codename
Juniper
RV840
Variant
Juniper Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
4/24/2012
|
Release Date
1/21/2011
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
40nm
-
|
Fabrication Node
40nm
-
|
|
Die Size
332 mm²
-
|
Die Size
166 mm²
-
|
|
Transistor Count
2 Billion
-
|
Transistor Count
1 Billion
-
|
|
Transistor Density
5.87M/mm²
-
|
Transistor Density
6.27M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
288 Shaders
-
|
Shading Units
720 Shaders
-
|
|
Texture Mapping Units
48 TMUs
|
Texture Mapping Units
36 TMUs
|
|
Render Output Units
24 ROPs
|
Render Output Units
16 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Streaming Multiprocessors
6 SMs
|
-
-
|
|
-
-
|
Compute Units
9 CUs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
1552MHz Shader
-
776MHz
|
-
-
-
700MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
FP32
0.89 TFLOPS
|
FP32
1.01 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
0.07 TFLOPS
-
|
-
-
-
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
Pixel Fillrate
18.624 GPixel/s
|
Pixel Fillrate
11.2 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
37.248 GTexel/s
|
Texture Fillrate
25.2 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
64KB/SM
-
-
|
L1
-
-
8KB/CU
-
|
|
L2
512KB Shared
|
L2
256KB Shared
|
|
-
-
-
|
-
-
-
|
|
1GB
GDDR5
-
|
1GB
GDDR5
-
|
|
Bus Width
192Bit
|
Bus Width
128Bit
|
|
Clock
957MHz
Transfer Rate
3.8GT/s
Bandwidth
91.9GB/s
|
Clock
1150MHz
Transfer Rate
4.6GT/s
Bandwidth
73.6GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
140W
|
TDP
86W
|
|
-
-
|
-
-
|
|
-
-
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x mini-HDMI 1.3
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
1x 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
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
No Decoders
|
Model
UVD 2.2
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
|
Direct X
12
Direct 3D
11_0
|
Direct X
11
Direct 3D
11_0
|
|
OpenGL
4.6
OpenCL
1.1
-
-
|
OpenGL
4.5
OpenCL
1.2
-
-
|
|
Shader Model
5.1
CUDA
2.1
-
-
PureVideo HD
VP4
VDPAU
Feature Set C
|
Shader Model
5.0
-
-
GFX
4
-
-
-
-
|
|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
|
-
-
-
-
-
-
-
-
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.1
PCIe Lanes
16
|
|
-
-
-
-
|
Multi GPU Support
Supported
Type
4-way CrossFireX
|
|
Height
111 mm (4.37 in)
Width
210 mm (8.27 in)
Depth
38 mm (1.5 in)
|
Height
111 mm (4.37 in)
Width
170 mm (6.69 in)
Depth
40 mm (1.57 in)
|
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