NVIDIA GeForce RTX 4090 vs NVIDIA GeForce GTX 490

VS

NVIDIA GeForce RTX 4090 NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock2520MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (1008GB/s vs 164.0GB/s)

15904 additional rendering cores

NVIDIA GeForce GTX 490 's Advantages

Lower TDP (365W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +6982%

82.58 TFLOPS

GeForce GTX 490

1.166 TFLOPS

GeForce RTX 4090

VS

GeForce GTX 490

Graphics Card

Sep 2022

Release Date

Unknown

GeForce 40

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

854 MHz

Memory

24GB

Memory Size

1536MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

384bit

1008GB/s

Bandwidth

164.0GB/s

Render Config

128

SM Count

15

-

Compute Units

-

16384

Shading Units

480

512

TMUs

60

176

ROPs

48

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

72 MB

L2 Cache

768 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

18.24 GPixel/s

1290 GTexel/s

Texture Rate

36.48 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

1166 GFLOPS

1290 GFLOPS

FP64 (double)

145.8 GFLOPS

Graphics Processor

AD102

GPU Name

GF100

AD102-300-A1

GPU Variant

GF100-375-A3

Ada Lovelace

Architecture

Fermi

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

3.1 billion

609 mm²

Die Size

529 mm²

Board Design

450W

TDP

365W

850 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

3x DVI 1x mini-DisplayPort

1x 16-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

2.0

6.7

Shader Model

5.1

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