NVIDIA GeForce GTX 490 vs AMD Radeon RX 7990 XTX

VS

NVIDIA GeForce GTX 490 AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

Lower TDP (365W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (1152GB/s vs 164.0GB/s)

5664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 490

1.166 TFLOPS

Radeon RX 7990 XTX +7485%

88.45 TFLOPS

GeForce GTX 490

VS

Radeon RX 7990 XTX

Graphics Card

Unknown

Release Date

Unknown

GeForce 400

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2500 MHz

-

Boost Clock

3599 MHz

854 MHz

Memory Clock

3000 MHz

Memory

1536MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

164.0GB/s

Bandwidth

1152GB/s

Render Config

15

SM Count

-

Compute Units

96

480

Shading Units

6144

60

TMUs

384

48

ROPs

192

-

Tensor Cores

-

RT Cores

96

64 KB (per SM)

L1 Cache

256 KB per Array

768 KB

L2 Cache

6 MB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

691.0 GPixel/s

36.48 GTexel/s

Texture Rate

1382 GTexel/s

-

FP16 (half)

176.9 TFLOPS

1166 GFLOPS

FP32 (float)

88.45 TFLOPS

145.8 GFLOPS

FP64 (double)

2.764 TFLOPS

Graphics Processor

GF100

GPU Name

Navi 31

GF100-375-A3

GPU Variant

Navi 31 XTX+

Fermi

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

3.1 billion

Transistors

57.7 billion

529 mm²

Die Size

529 mm²

Board Design

365W

TDP

405W

750 W

Suggested PSU

800 W

3x DVI 1x mini-DisplayPort

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

2x 8-pin

Power Connectors

3x 8-pin

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

2.0

CUDA

-

5.1

Shader Model

6.7

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