GeForce GTX 660 Ti vs GeForce GTX 1080 Ti 12 GB
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 12GB VRAM GeForce GTX 1080 Ti 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Lower TDP (150W vs 250W)
GeForce GTX 1080 Ti 12 GB 's Advantages
Boost Clock has increased by 70% (1670MHz vs 980MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (528.4GB/s vs 144.2GB/s)
1856 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2634
GeForce GTX 1080 Ti 12 GB
+305%
10690
Graphics Card
Aug 2012
Release Date
Unknown
GeForce 600
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
915 MHz
Base Clock
1557 MHz
980 MHz
Boost Clock
1670 MHz
1502 MHz
Memory Clock
1376 MHz
Memory
2GB
Memory Size
12GB
GDDR5
Memory Type
GDDR5X
192bit
Memory Bus
384bit
144.2GB/s
Bandwidth
528.4GB/s
Render Config
-
SM Count
25
1344
Shading Units
3200
112
TMUs
200
24
ROPs
80
16 KB (per SMX)
L1 Cache
48 KB (per SM)
384 KB
L2 Cache
0 MB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
133.6 GPixel/s
109.8 GTexel/s
Texture Rate
334.0 GTexel/s
-
FP16 (half)
167.0 GFLOPS
2.634 TFLOPS
FP32 (float)
10.69 TFLOPS
109.8 GFLOPS
FP64 (double)
334.0 GFLOPS
Board Design
150W
TDP
250W
450 W
Suggested PSU
600 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.0
3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GK104
GPU Name
GP102
GK104-300-KD-A2
GPU Variant
-
Kepler
Architecture
Pascal
TSMC
Foundry
TSMC
28 nm
Process Size
16 nm
3.54 billion
Transistors
11.8 billion
294 mm²
Die Size
471 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
6.1
5.1
Shader Model
6.7
