NVIDIA A40 PCIe vs NVIDIA GeForce GTX 1660 Ti

VS

NVIDIA A40 PCIe NVIDIA GeForce GTX 1660 Ti

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe 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 A40 PCIe 's Advantages

Released 1 years and 8 months late

More VRAM (48GB vs 6GB)

Larger VRAM bandwidth (695.8GB/s vs 288.0GB/s)

9216 additional rendering cores

NVIDIA GeForce GTX 1660 Ti 's Advantages

Boost Clock has increased by 2% (1770MHz vs 1740MHz)

Lower TDP (120W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +588%

37.42 TFLOPS

GeForce GTX 1660 Ti

5.437 TFLOPS

Blender

A40 PCIe +375%

4170

GeForce GTX 1660 Ti

877

A40 PCIe

VS

GeForce GTX 1660 Ti

Graphics Card

Oct 2020

Release Date

Feb 2019

Tesla

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

1500 MHz

1740 MHz

Boost Clock

1770 MHz

1812 MHz

Memory Clock

1500 MHz

Memory

48GB

Memory Size

6GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

192bit

695.8GB/s

Bandwidth

288.0GB/s

Render Config

84

SM Count

24

-

Compute Units

-

10752

Shading Units

1536

336

TMUs

96

112

ROPs

48

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

1536 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

84.96 GPixel/s

584.6 GTexel/s

Texture Rate

169.9 GTexel/s

37.42 TFLOPS

FP16 (half)

10.87 TFLOPS

37.42 TFLOPS

FP32 (float)

5.437 TFLOPS

584.6 GFLOPS

FP64 (double)

169.9 GFLOPS

Graphics Processor

GA102

GPU Name

TU116

-

GPU Variant

TU116-400-A1

Ampere

Architecture

Turing

Samsung

Foundry

TSMC

8 nm

Process Size

12 nm

28.3 billion

Transistors

6.6 billion

628 mm²

Die Size

284 mm²

Board Design

300W

TDP

120W

700 W

Suggested PSU

300 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 8-pin

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

8.6

CUDA

7.5

6.6

Shader Model

6.6

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