NVIDIA GeForce GTX 490 vs AMD Radeon RX 6650 XT

VS

NVIDIA GeForce GTX 490

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Boost Clock2635MHz

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (280.3GB/s vs 164.0GB/s)

1568 additional rendering cores

Lower TDP (176W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490

1.166 TFLOPS

Radeon RX 6650 XT +825%

10.79 TFLOPS

GeForce GTX 490

VS

Radeon RX 6650 XT

Graphics Card

Unknown

Release Date

May 2022

GeForce 400

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2055 MHz

-

Boost Clock

2635 MHz

854 MHz

Memory Clock

2190 MHz

Memory

1536MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

164.0GB/s

Bandwidth

280.3GB/s

Render Config

-

Compute Units

32

15

SM Count

-

480

Shading Units

2048

60

TMUs

128

48

ROPs

64

-

RT Cores

32

64 KB (per SM)

L1 Cache

128 KB per Array

768 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

168.6 GPixel/s

36.48 GTexel/s

Texture Rate

337.3 GTexel/s

-

FP16 (half)

21.59 TFLOPS

1166 GFLOPS

FP32 (float)

10.79 TFLOPS

145.8 GFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

365W

TDP

176W

750 W

Suggested PSU

450 W

3x DVI 1x mini-DisplayPort

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GF100

GPU Name

Navi 23

GF100-375-A3

GPU Variant

Navi 23 KXT (215-130000136)

Fermi

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

3.1 billion

Transistors

11.06 billion

529 mm²

Die Size

237 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.0

CUDA

-

5.1

Shader Model

6.5

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