Radeon HD 7790 vs GeForce GTX 660 GK104

Radeon HD 7790
GeForce GTX 660 GK104
896 Shaders
1GB GDDR5
1000MHz
1152 Shaders
2GB GDDR5
899MHz
FP32
1.79 TFLOPS
FP32
2.07 TFLOPS
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-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
85W
TDP
130W
Power Connectors
1x 6-Pin
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-
-
Power Connectors
1x 6-Pin
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-
-
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
AMD
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
GCN 2
Architecture
Kepler
Family
Radeon HD 7000
Family
GeForce 600
Codename
Bonaire
-
Variant
Bonaire XT
Codename
NVE4
GK104
Variant
GK104-200-KD-A2
Market Segment
Desktop
Market Segment
Desktop
Release Date
3/22/2013
Release Date
8/22/2012
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
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Die Size
160 mm²
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Die Size
294 mm²
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Transistor Count
2.1 Billion
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Transistor Count
3.5 Billion
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Transistor Density
13.00M/mm²
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Transistor Density
12.04M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
896 Shaders
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Shading Units
1152 Shaders
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Texture Mapping Units
56 TMUs
Texture Mapping Units
96 TMUs
Render Output Units
16 ROPs
Render Output Units
24 ROPs
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Streaming Multiprocessors
6 SMs
Compute Units
14 CUs
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1000MHz
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824MHz Base
899MHz
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FP32
1.79 TFLOPS
FP32
2.07 TFLOPS
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-
-
-
FP64
0.11 TFLOPS
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FP64
0.09 TFLOPS
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Pixel Fillrate
16 GPixel/s
Pixel Fillrate
21.576 GPixel/s
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Texture Fillrate
56 GTexel/s
Texture Fillrate
86.304 GTexel/s
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-
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L1
-
-
16KB/CU
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L1
48KB/SM Tex
16KB/SM
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-
L2
256KB Shared
L2
512KB Shared
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-
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-
1GB
GDDR5
-
2GB
GDDR5
-
Bus Width
128Bit
Bus Width
192Bit
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
96GB/s
Clock
1450MHz
Transfer Rate
5.8GT/s
Bandwidth
139.2GB/s
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TDP
85W
TDP
130W
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1x DVI-I Dual-Link
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2x mini-DisplayPort 1.2
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1x HDMI 1.4
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1x DVI-I Dual-Link
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1x DVI-D Dual-Link
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1x DisplayPort 1.2
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1x HDMI 1.4
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-
-
-
Max Resolution
4096x2160
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
-
Variable Refresh Rate
G-Sync
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
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Model
VCE 2.0
Model
NVENC 1
Codec
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AVC (H.264)
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Codec
-
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AVC (H.264)
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Model
UVD 4.2
Model
NVDEC 1
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
-
-
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Direct X
12
Direct 3D
12_0
Direct X
12
Direct 3D
11_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.5
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-
GFX
7
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-
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-
Shader Model
6.5
CUDA
3.0
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PureVideo HD
VP5
VDPAU
Feature Set D
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1x Fan
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1x Fan
Power Connectors
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1x 6-Pin
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Power Connectors
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1x 6-Pin
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
2-way CrossFireX
Multi GPU Support
Supported
Type
2-way SLI
Height
111 mm (4.37 in)
Width
183 mm (7.2 in)
Depth
37 mm (1.46 in)
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
38 mm (1.5 in)
Change Results