NVIDIA GeForce GTX 490 vs NVIDIA A40 PCIe

VS

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Boost Clock1740MHz

More VRAM (48GB vs 1GB)

Larger VRAM bandwidth (695.8GB/s vs 164.0GB/s)

10272 additional rendering cores

Lower TDP (300W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490

1.166 TFLOPS

A40 PCIe +3109%

37.42 TFLOPS

GeForce GTX 490

VS

A40 PCIe

Graphics Card

Unknown

Release Date

Oct 2020

GeForce 400

Generation

Tesla

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1305 MHz

-

Boost Clock

1740 MHz

854 MHz

Memory Clock

1812 MHz

Memory

1536MB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

164.0GB/s

Bandwidth

695.8GB/s

Render Config

15

SM Count

84

-

Compute Units

-

480

Shading Units

10752

60

TMUs

336

48

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

64 KB (per SM)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

6 MB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

194.9 GPixel/s

36.48 GTexel/s

Texture Rate

584.6 GTexel/s

-

FP16 (half)

37.42 TFLOPS

1166 GFLOPS

FP32 (float)

37.42 TFLOPS

145.8 GFLOPS

FP64 (double)

584.6 GFLOPS

Graphics Processor

GF100

GPU Name

GA102

GF100-375-A3

GPU Variant

-

Fermi

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

3.1 billion

Transistors

28.3 billion

529 mm²

Die Size

628 mm²

Board Design

365W

TDP

300W

750 W

Suggested PSU

700 W

3x DVI 1x mini-DisplayPort

Outputs

3x DisplayPort 1.4a

2x 8-pin

Power Connectors

8-pin EPS

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.0

CUDA

8.6

5.1

Shader Model

6.6

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