NVIDIA GeForce GTX 490 vs NVIDIA RTX A400

VS

NVIDIA GeForce GTX 490

NVIDIA RTX A400

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 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 490 's Advantages

Larger VRAM bandwidth (164.0GB/s vs 96.00GB/s)

NVIDIA RTX A400 's Advantages

Boost Clock1762MHz

More VRAM (4GB vs 1536GB)

288 additional rendering cores

Lower TDP (50W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490

1.166 TFLOPS

RTX A400 +132%

2.706 TFLOPS

GeForce GTX 490

VS

RTX A400

Graphics Card

Unknown

Release Date

Apr 2024

GeForce 400

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1417 MHz

-

Boost Clock

1762 MHz

854 MHz

Memory Clock

1500 MHz

Memory

1536MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

64bit

164.0GB/s

Bandwidth

96.00GB/s

Render Config

-

15

SM Count

6

480

Shading Units

768

60

TMUs

24

48

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

64 KB (per SM)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

28.19 GPixel/s

36.48 GTexel/s

Texture Rate

42.29 GTexel/s

-

FP16 (half)

2.706 TFLOPS

1166 GFLOPS

FP32 (float)

2.706 TFLOPS

145.8 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

365W

TDP

50W

750 W

Suggested PSU

250 W

3x DVI 1x mini-DisplayPort

Outputs

4x mini-DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

GF100

GPU Name

GA107

GF100-375-A3

GPU Variant

-

Fermi

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

3.1 billion

Transistors

8.7 billion

529 mm²

Die Size

200 mm²

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

6.8

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