Radeon R9 270 vs GeForce GTX 660 Ti

Radeon R9 270
GeForce GTX 660 Ti
1280 Shaders
2GB GDDR5
925MHz
1344 Shaders
2GB GDDR5
1058MHz
FP32
2.37 TFLOPS
FP32
2.84 TFLOPS
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-
-
-
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
150W
TDP
150W
Power Connectors
1x 6-Pin
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-
-
Power Connectors
2x 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 1
Architecture
Kepler
Family
Radeon R 200
Family
GeForce 600
Codename
Pitcairn
-
Variant
Curacao Pro
Codename
NVE4
GK104
Variant
GK104-300-KD-A2
Market Segment
Desktop
Market Segment
Desktop
Release Date
11/13/2013
Release Date
8/16/2012
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
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Die Size
212 mm²
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Die Size
294 mm²
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Transistor Count
2.8 Billion
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Transistor Count
3.5 Billion
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Transistor Density
13.21M/mm²
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Transistor Density
12.04M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
1280 Shaders
-
Shading Units
1344 Shaders
-
Texture Mapping Units
80 TMUs
Texture Mapping Units
112 TMUs
Render Output Units
32 ROPs
Render Output Units
24 ROPs
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Streaming Multiprocessors
7 SMs
Compute Units
20 CUs
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900MHz Base
925MHz
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-
915MHz Base
1058MHz
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FP32
2.37 TFLOPS
FP32
2.84 TFLOPS
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-
-
-
FP64
0.15 TFLOPS
-
FP64
0.12 TFLOPS
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Pixel Fillrate
29.6 GPixel/s
Pixel Fillrate
25.392 GPixel/s
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-
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Texture Fillrate
74 GTexel/s
Texture Fillrate
118.496 GTexel/s
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L1
-
-
16KB/CU
-
L1
48KB/SM Tex
16KB/SM
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-
L2
512KB Shared
L2
512KB Shared
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-
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2GB
GDDR5
-
2GB
GDDR5
-
Bus Width
256Bit
Bus Width
128Bit
Clock
1400MHz
Transfer Rate
5.6GT/s
Bandwidth
179.2GB/s
Clock
1502MHz
Transfer Rate
6GT/s
Bandwidth
96.1GB/s
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TDP
150W
TDP
150W
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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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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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-
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1x HDMI 1.4
-
-
-
-
Max Resolution
4096x2160
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
-
-
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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-
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Model
VCE 1.0
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 3.2
Model
NVDEC 1
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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-
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AVC (H.264)
-
-
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Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
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AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
11_1
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
-
-
GFX
6
-
-
-
-
Shader Model
6.5
CUDA
3.0
-
-
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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2x 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
4-way SLI
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Height
111 mm (4.37 in)
Width
241 mm (9.49 in)
Depth
38 mm (1.5 in)
Change Results