NVIDIA GeForce GTX 660 vs AMD Radeon R7 260X

NVIDIA GeForce GTX 660 $230
AMD Radeon R7 260X $139
960 Shaders
2GB GDDR5
1084MHz
896 Shaders
1GB GDDR5
1100MHz
Peak AI Performance
2.08 TOPS
INT32
Peak AI Performance
1.97 TFLOPS
FP32
FP32
2.08 TFLOPS
FP32
1.97 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
140W
TDP
115W
Power Connectors
1x 6-Pin
Power Connectors
1x 6-Pin

Peak AI Performance

  • 6% faster vs Radeon R7 260X
  • 5% slower vs GeForce GTX 660
GeForce GTX 660 - 2.08 TOPS INT32
x1.06
Radeon R7 260X - 1.97 TFLOPS FP32
x1

FP32

  • 6% faster vs Radeon R7 260X
  • 5% slower vs GeForce GTX 660
GeForce GTX 660 - 2.08 TFLOPS FP32
x1.06
Radeon R7 260X - 1.97 TFLOPS FP32
x1
  • 39% faster vs Radeon R7 260X
  • 28% slower vs GeForce GTX 660
GeForce GTX 660 - 144.2GB/s
x1.39
Radeon R7 260X - 104GB/s
x1
  • 22% higher vs Radeon R7 260X
  • 18% lower vs GeForce GTX 660
GeForce GTX 660 - 140W
x1.22
Radeon R7 260X - 115W
x1
GB6 OpenCL N/A
0%
GB6 Metal N/A
0%
GB6 Vulkan N/A
0%
Manufacturer
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Kepler
Architecture
GCN 2
Family
GeForce 600
Family
Radeon R 200
Codename
NVE6
GK106
Variant
GK106-400-A1
Codename
Bonaire
-
Variant
Bonaire XTX
Market Segment
Desktop
Market Segment
Desktop
Release Date
9/13/2012
Release Date
8/8/2013
Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
221 mm²
Die Size
160 mm²
Transistor Count
2.5 Billion
Transistor Count
2.1 Billion
Transistor Density
11.49M/mm²
Transistor Density
13.00M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
960 Shaders
Shading Units
896 Shaders
Texture Mapping Units
80 TMUs
Texture Mapping Units
56 TMUs
Render Output Units
24 ROPs
Render Output Units
16 ROPs
Streaming Multiprocessors
5 SMs
-
-
-
-
Compute Units
14 CUs
980MHz Base
1084MHz
-
1100MHz
Peak AI Performance
2.08 TOPS
INT32
Peak AI Performance
1.97 TFLOPS
FP32
FP32
2.08 TFLOPS
FP32
1.97 TFLOPS
FP64
90 GFLOPS
FP64
120 GFLOPS
INT32
2.08 TOPS
-
-
Pixel Fillrate
26.016 GPixel/s
Pixel Fillrate
17.6 GPixel/s
Texture Fillrate
86.72 GTexel/s
Texture Fillrate
61.6 GTexel/s
L1
48KB/SM Tex
16KB/SM
-
L1
-
-
16KB/CU
L2
512KB Shared
L2
256KB Shared
2GB
GDDR5
1GB
GDDR5
Bus Width
192Bit
Bus Width
128Bit
Clock
1502MHz
Transfer Rate
6GT/s
Bandwidth
144.2GB/s
Clock
1625MHz
Transfer Rate
6.5GT/s
Bandwidth
104GB/s
TDP
140W
TDP
115W
-
1x DVI-I Dual-Link
1x DVI-D Dual-Link
1x DisplayPort 1.2
1x HDMI 1.4
1x VGA
1x DVI-I Dual-Link
-
-
1x HDMI 1.4
Max Resolution
4096x2304
Max Resolution
4096x2160
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
Variable Refresh Rate
-
FreeSync
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
-
-
Content Protection
HDCP 1.4
Model
NVENC 1
Model
VCE 2.0
Codec
AVC (H.264)
Codec
AVC (H.264)
Model
NVDEC 1
Model
UVD 4.2
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
12_0
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
-
-
GFX
7
-
-
-
-
1x Fan
1x Fan
Power Connectors
1x 6-Pin
Power Connectors
1x 6-Pin
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 SLI
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
38 mm (1.5 in)
-
-
-
-
-
-
Change Comparison