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GPU Comparison
NVIDIA GeForce GTX 660 Ti vs AMD Radeon HD 7970 X2
NVIDIA GeForce GTX 660 Ti vs AMD Radeon HD 7970 X2
VS
NVIDIA GeForce GTX 660 Ti
AMD Radeon HD 7970 X2
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 3GB VRAM Radeon HD 7970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 Ti 's Advantages
Boost Clock980MHz
Lower TDP (150W vs 500W)
AMD Radeon HD 7970 X2 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (264.0GB/s vs 144.2GB/s)
704 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2.634 TFLOPS
Radeon HD 7970 X2
+43%
3.789 TFLOPS
GeForce GTX 660 Ti
VS
Radeon HD 7970 X2
Graphics Card
Aug 2012
Release Date
Aug 2012
GeForce 600
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
915 MHz
Base Clock
-
980 MHz
Boost Clock
-
1502 MHz
Memory Clock
1375 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
384bit
144.2GB/s
Bandwidth
264.0GB/s
Render Config
-
SM Count
-
-
Compute Units
32
1344
Shading Units
2048
112
TMUs
128
24
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
768 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
29.60 GPixel/s
109.8 GTexel/s
Texture Rate
118.4 GTexel/s
-
FP16 (half)
-
2.634 TFLOPS
FP32 (float)
3.789 TFLOPS
109.8 GFLOPS
FP64 (double)
947.2 GFLOPS
Graphics Processor
GK104
GPU Name
New Zealand
GK104-300-KD-A2
GPU Variant
-
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
4.313 billion
294 mm²
Die Size
352 mm²
Board Design
150W
TDP
500W
450 W
Suggested PSU
900 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
3x 8-pin
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
5.1
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