NVIDIA RTX A4000H vs NVIDIA GeForce GTX 660 Rev. 2

VS

NVIDIA RTX A4000H NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Released 6 years and 7 months late

Boost Clock has increased by 51% (1560MHz vs 1032MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 144.2GB/s)

5184 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A4000H +867%

19.17 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

RTX A4000H

VS

GeForce GTX 660 Rev. 2

Graphics Card

Apr 2021

Release Date

Sep 2014

Quadro Ampere

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

980 MHz

1560 MHz

Boost Clock

1032 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

144.2GB/s

Render Config

48

SM Count

-

Compute Units

-

6144

Shading Units

960

192

TMUs

80

96

ROPs

24

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

20.64 GPixel/s

299.5 GTexel/s

Texture Rate

82.56 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

1.981 TFLOPS

299.5 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

GA104

GPU Name

GK104

GA104-???-A1

GPU Variant

-

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

3.54 billion

392 mm²

Die Size

294 mm²

Board Design

140W

TDP

140W

300 W

Suggested PSU

300 W

4x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.7

Shader Model

5.1

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