AMD Radeon RX 6650 XT vs NVIDIA GeForce RTX 4090

VS

AMD Radeon RX 6650 XT

NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 24GB VRAM GeForce RTX 4090 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 Clock has increased by 5% (2635MHz vs 2520MHz)

Lower TDP (176W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (1.01TB/s vs 280.3GB/s)

14336 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT

10.79 TFLOPS

GeForce RTX 4090 +665%

82.58 TFLOPS

3DMark Time Spy

Radeon RX 6650 XT

9891

GeForce RTX 4090 +269%

36499

Blender

Radeon RX 6650 XT

1299

GeForce RTX 4090 +854%

12393

Shadow of the Tomb Raider 2160p

Radeon RX 6650 XT

38

GeForce RTX 4090 +386%

185

Shadow of the Tomb Raider 1440p

Radeon RX 6650 XT

77

GeForce RTX 4090 +263%

280

Shadow of the Tomb Raider 1080p

Radeon RX 6650 XT

119

GeForce RTX 4090 +155%

304

Cyberpunk 2077 2160p

Radeon RX 6650 XT

30

GeForce RTX 4090 +213%

94

Cyberpunk 2077 1440p

Radeon RX 6650 XT

37

GeForce RTX 4090 +400%

185

Cyberpunk 2077 1080p

Radeon RX 6650 XT

59

GeForce RTX 4090 +230%

195

Battlefield 5 2160p

Radeon RX 6650 XT

55

GeForce RTX 4090 +238%

186

Battlefield 5 1440p

Radeon RX 6650 XT

111

GeForce RTX 4090 +82%

203

Battlefield 5 1080p

Radeon RX 6650 XT

157

GeForce RTX 4090 +35%

213

GTA 5 2160p

Radeon RX 6650 XT

64

GeForce RTX 4090 +157%

165

GTA 5 1440p

Radeon RX 6650 XT

85

GeForce RTX 4090 +117%

185

GTA 5 1080p

Radeon RX 6650 XT

150

GeForce RTX 4090 +24%

186

Radeon RX 6650 XT

VS

GeForce RTX 4090

Graphics Card

May 2022

Release Date

Sep 2022

Navi II

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

2055 MHz

Base Clock

2235 MHz

2635 MHz

Boost Clock

2520 MHz

2190 MHz

Memory Clock

1313 MHz

Memory

8GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6X

128bit

Memory Bus

384bit

280.3GB/s

Bandwidth

1.01TB/s

Render Config

32

Compute Units

-

SM Count

128

2048

Shading Units

16384

128

TMUs

512

64

ROPs

176

-

Tensor Cores

512

32

RT Cores

128

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

72 MB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

443.5 GPixel/s

337.3 GTexel/s

Texture Rate

1290 GTexel/s

21.59 TFLOPS

FP16 (half)

82.58 TFLOPS

10.79 TFLOPS

FP32 (float)

82.58 TFLOPS

674.6 GFLOPS

FP64 (double)

1290 GFLOPS

Board Design

176W

TDP

450W

450 W

Suggested PSU

850 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.13x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Navi 23

GPU Name

AD102

Navi 23 KXT (215-130000136)

GPU Variant

AD102-300-A1

RDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

76.3 billion

237 mm²

Die Size

609 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.9

6.5

Shader Model

6.8

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