NVIDIA GeForce GTX 490 vs AMD Radeon RX 8800 XT

VS

NVIDIA GeForce GTX 490

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 1536GB)

Larger VRAM bandwidth (624.1GB/s vs 164.0GB/s)

3616 additional rendering cores

Lower TDP (220W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490

1.166 TFLOPS

Radeon RX 8800 XT +1607%

19.91 TFLOPS

GeForce GTX 490

VS

Radeon RX 8800 XT

Graphics Card

Unknown

Release Date

Unknown

GeForce 400

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

854 MHz

Memory Clock

2438 MHz

Memory

1536MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

164.0GB/s

Bandwidth

624.1GB/s

Render Config

-

Compute Units

64

15

SM Count

-

480

Shading Units

4096

60

TMUs

256

48

ROPs

96

-

RT Cores

64

64 KB (per SM)

L1 Cache

128 KB per Array

768 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

233.3 GPixel/s

36.48 GTexel/s

Texture Rate

622.1 GTexel/s

-

FP16 (half)

39.81 TFLOPS

1166 GFLOPS

FP32 (float)

19.91 TFLOPS

145.8 GFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

365W

TDP

220W

750 W

Suggested PSU

550 W

3x DVI 1x mini-DisplayPort

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GF100

GPU Name

Navi 48

GF100-375-A3

GPU Variant

Navi 48 XT

Fermi

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

3.1 billion

Transistors

Unknown

529 mm²

Die Size

Unknown

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

6.8

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