GeForce RTX 2080 SUPER vs GeForce GTX 660 Ti
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 SUPER and 2GB VRAM GeForce GTX 660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 2080 SUPER 's Advantages
Released 6 years and 11 months late
Boost Clock has increased by 85% (1815MHz vs 980MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (495.9GB/s vs 144.2GB/s)
1728 additional rendering cores
GeForce GTX 660 Ti 's Advantages
Lower TDP (150W vs 250W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080 SUPER
+323%
11150
GeForce GTX 660 Ti
2634
3DMark Time Spy
GeForce RTX 2080 SUPER
+619%
11621
GeForce GTX 660 Ti
1616
Graphics Card
Jul 2019
Release Date
Aug 2012
GeForce 20
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1650 MHz
Base Clock
915 MHz
1815 MHz
Boost Clock
980 MHz
1937 MHz
Memory Clock
1502 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
192bit
495.9GB/s
Bandwidth
144.2GB/s
Render Config
48
SM Count
-
3072
Shading Units
1344
192
TMUs
112
64
ROPs
24
384
Tensor Cores
-
48
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
384 KB
Theoretical Performance
116.2 GPixel/s
Pixel Rate
27.44 GPixel/s
348.5 GTexel/s
Texture Rate
109.8 GTexel/s
22.30 TFLOPS
FP16 (half)
-
11.15 TFLOPS
FP32 (float)
2.634 TFLOPS
348.5 GFLOPS
FP64 (double)
109.8 GFLOPS
Board Design
250W
TDP
150W
600 W
Suggested PSU
450 W
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
TU104
GPU Name
GK104
TU104-450-A1
GPU Variant
GK104-300-KD-A2
Turing
Architecture
Kepler
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
13.6 billion
Transistors
3.54 billion
545 mm²
Die Size
294 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
7.5
CUDA
3.0
6.6
Shader Model
5.1
