NVIDIA GeForce GTX 1660 vs NVIDIA RTX A400

VS

NVIDIA GeForce GTX 1660

NVIDIA RTX A400

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 's Advantages

Boost Clock has increased by 1% (1785MHz vs 1762MHz)

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (192.1GB/s vs 96.00GB/s)

640 additional rendering cores

NVIDIA RTX A400 's Advantages

Released 5 years and 1 months late

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

GeForce GTX 1660 +85%

5.027 TFLOPS

RTX A400

2.706 TFLOPS

GeForce GTX 1660

VS

RTX A400

Graphics Card

Mar 2019

Release Date

Apr 2024

GeForce 16

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1530 MHz

Base Clock

1417 MHz

1785 MHz

Boost Clock

1762 MHz

2001 MHz

Memory Clock

1500 MHz

Memory

6GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

64bit

192.1GB/s

Bandwidth

96.00GB/s

Render Config

-

22

SM Count

6

1408

Shading Units

768

88

TMUs

24

48

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

64 KB (per SM)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

2 MB

-

Theoretical Performance

85.68 GPixel/s

Pixel Rate

28.19 GPixel/s

157.1 GTexel/s

Texture Rate

42.29 GTexel/s

10.05 TFLOPS

FP16 (half)

2.706 TFLOPS

5.027 TFLOPS

FP32 (float)

2.706 TFLOPS

157.1 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

120W

TDP

50W

300 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

1x 8-pin

Power Connectors

None

Graphics Processor

TU116

GPU Name

GA107

TU116-300-A1

GPU Variant

-

Turing

Architecture

Ampere

TSMC

Foundry

Samsung

12 nm

Process Size

8 nm

6.6 billion

Transistors

8.7 billion

284 mm²

Die Size

200 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

7.5

CUDA

8.6

6.6

Shader Model

6.8

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