NVIDIA A40 PCIe vs NVIDIA GeForce GTX 1660 Ti
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Feb 2019
Generation
Tesla
GeForce 16
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1305 MHz
1500 MHz
Boost Clock
1740 MHz
1770 MHz
Memory Clock
1812 MHz
1500 MHz
Memory
Memory Size
48GB
6GB
Memory Type
GDDR6
GDDR6
Memory Bus
384bit
192bit
Bandwidth
695.8GB/s
288.0GB/s
Render Config
SM Count
84
24
Shading Units
10752
1536
TMUs
336
96
ROPs
112
48
Tensor Cores
336
—
RT Cores
84
—
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
6 MB
1536 KB
Theoretical Performance
Pixel Rate
194.9 GPixel/s
84.96 GPixel/s
Texture Rate
584.6 GTexel/s
169.9 GTexel/s
FP16 (half)
37.42 TFLOPS
10.87 TFLOPS
FP32 (float)
37.42 TFLOPS
5.437 TFLOPS
FP64 (double)
584.6 GFLOPS
169.9 GFLOPS
Graphics Processor
GPU Name
GA102
TU116
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
GPU Variant
—
TU116-400-A1
Board Design
TDP
300W
120W
Suggested PSU
700 W
300 W
Outputs
3x DisplayPort 1.4a
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
8-pin EPS
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.