NVIDIA GeForce RTX 2080 Ti vs NVIDIA GeForce GTX 1660 Ti
We compared two Desktop platform GPUs: 11GB VRAM GeForce RTX 2080 Ti and 6GB VRAM GeForce GTX 1660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 2080 Ti 's Advantages
More VRAM (11GB vs 6GB)
Larger VRAM bandwidth (616.0GB/s vs 288.0GB/s)
2816 additional rendering cores
NVIDIA GeForce GTX 1660 Ti 's Advantages
Boost Clock has increased by 15% (1770MHz vs 1545MHz)
Lower TDP (120W vs 250W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080 Ti
+147%
13.45 TFLOPS
GeForce GTX 1660 Ti
5.437 TFLOPS
3DMark Time Spy
GeForce RTX 2080 Ti
+130%
14622
GeForce GTX 1660 Ti
6346
3DMark Time Spy Extreme
GeForce RTX 2080 Ti
+142%
7001
GeForce GTX 1660 Ti
2883
Shadow of the Tomb Raider 2160p
GeForce RTX 2080 Ti
+107%
58
GeForce GTX 1660 Ti
28
Shadow of the Tomb Raider 1440p
GeForce RTX 2080 Ti
+109%
109
GeForce GTX 1660 Ti
52
Shadow of the Tomb Raider 1080p
GeForce RTX 2080 Ti
+81%
145
GeForce GTX 1660 Ti
80
Battlefield 5 2160p
GeForce RTX 2080 Ti
+84%
81
GeForce GTX 1660 Ti
44
Battlefield 5 1440p
GeForce RTX 2080 Ti
+72%
138
GeForce GTX 1660 Ti
80
Battlefield 5 1080p
GeForce RTX 2080 Ti
+84%
190
GeForce GTX 1660 Ti
103
GTA 5 2160p
GeForce RTX 2080 Ti
+50%
90
GeForce GTX 1660 Ti
60
GTA 5 1440p
GeForce RTX 2080 Ti
+135%
146
GeForce GTX 1660 Ti
62
GTA 5 1080p
GeForce RTX 2080 Ti
+16%
180
GeForce GTX 1660 Ti
154
Graphics Card
Sep 2018
Release Date
Feb 2019
GeForce 20
Generation
GeForce 16
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1350 MHz
Base Clock
1500 MHz
1545 MHz
Boost Clock
1770 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
11GB
Memory Size
6GB
GDDR6
Memory Type
GDDR6
352bit
Memory Bus
192bit
616.0GB/s
Bandwidth
288.0GB/s
Render Config
-
-
-
68
SM Count
24
4352
Shading Units
1536
272
TMUs
96
88
ROPs
48
544
Tensor Cores
-
68
RT Cores
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
0 MB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
136.0 GPixel/s
Pixel Rate
84.96 GPixel/s
420.2 GTexel/s
Texture Rate
169.9 GTexel/s
26.90 TFLOPS
FP16 (half)
10.87 TFLOPS
13.45 TFLOPS
FP32 (float)
5.437 TFLOPS
420.2 GFLOPS
FP64 (double)
169.9 GFLOPS
Board Design
250W
TDP
120W
600 W
Suggested PSU
300 W
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C
Outputs
1x DVI
1x HDMI 2.0
1x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
TU102
GPU Name
TU116
TU102-300A-K1-A1
GPU Variant
TU116-400-A1
Turing
Architecture
Turing
TSMC
Foundry
TSMC
12 nm
Process Size
12 nm
18.6 billion
Transistors
6.6 billion
754 mm²
Die Size
284 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
7.5
CUDA
7.5
6.6
Shader Model
6.6
