NVIDIA GeForce RTX 3090 vs NVIDIA GeForce GTX 1660 Ti
GPU Specs Compare
Graphics Card
Release Date
Sep 2020
Feb 2019
Generation
GeForce 30
GeForce 16
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1395 MHz
1500 MHz
Boost Clock
1695 MHz
1770 MHz
Memory Clock
1219 MHz
1500 MHz
Memory
Memory Size
24GB
6GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
192bit
Bandwidth
936.2GB/s
288.0GB/s
Render Config
SM Count
82
24
Shading Units
10496
1536
TMUs
328
96
ROPs
112
48
Tensor Cores
328
-
RT Cores
82
-
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
6 MB
1536 KB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
84.96 GPixel/s
Texture Rate
556.0 GTexel/s
169.9 GTexel/s
FP16 (half)
35.58 TFLOPS
10.87 TFLOPS
FP32 (float)
35.58 TFLOPS
5.437 TFLOPS
FP64 (double)
556.0 GFLOPS
169.9 GFLOPS
Graphics Processor
GPU Name
GA102
TU116
GPU Variant
GA102-300-A1
TU116-400-A1
Architecture
Ampere
Turing
Foundry
Samsung
TSMC
Process Size
8 nm
12 nm
Transistors
28.3 billion
6.6 billion
Die Size
628 mm²
284 mm²
Board Design
TDP
350W
120W
Suggested PSU
750 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
1x 12-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.6
7.5
Shader Model
6.6
6.6
📊 Benchmark
3DMark Time Spy
-
6,346
3DMark Time Spy Extreme
-
2,883
OctaneBench
-
126
Battlefield 5 1080p
-
103
Shadow of the Tomb Raider 2160p
-
28
Shadow of the Tomb Raider 1440p
-
52
Shadow of the Tomb Raider 1080p
-
80
Battlefield 5 2160p
-
44
Blender
-
817
Battlefield 5 1440p
-
80
GTA 5 2160p
-
60
GTA 5 1440p
-
62
GTA 5 1080p
-
154