AMD Radeon RX 6650 XT vs AMD Radeon RX 7900 XT

VS

AMD Radeon RX 6650 XT

AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 20GB VRAM Radeon RX 7900 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 Clock has increased by 10% (2635MHz vs 2394MHz)

Lower TDP (176W vs 300W)

AMD Radeon RX 7900 XT 's Advantages

Released 6 months late

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (800.0GB/s vs 280.3GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT

10.79 TFLOPS

Radeon RX 7900 XT +377%

51.48 TFLOPS

3DMark Time Spy

Radeon RX 6650 XT

9891

Radeon RX 7900 XT +172%

26911

Blender

Radeon RX 6650 XT

1299

Radeon RX 7900 XT +200%

3905

Shadow of the Tomb Raider 2160p

Radeon RX 6650 XT

38

Radeon RX 7900 XT +168%

102

Shadow of the Tomb Raider 1440p

Radeon RX 6650 XT

77

Radeon RX 7900 XT +166%

205

Shadow of the Tomb Raider 1080p

Radeon RX 6650 XT

119

Radeon RX 7900 XT +151%

299

Cyberpunk 2077 2160p

Radeon RX 6650 XT

30

Radeon RX 7900 XT +66%

50

Cyberpunk 2077 1440p

Radeon RX 6650 XT

37

Radeon RX 7900 XT +154%

94

Cyberpunk 2077 1080p

Radeon RX 6650 XT

59

Radeon RX 7900 XT +167%

158

GTA 5 2160p

Radeon RX 6650 XT

64

Radeon RX 7900 XT +165%

170

GTA 5 1440p

Radeon RX 6650 XT

85

Radeon RX 7900 XT +100%

170

GTA 5 1080p

Radeon RX 6650 XT

150

Radeon RX 7900 XT +26%

190

Radeon RX 6650 XT

VS

Radeon RX 7900 XT

Graphics Card

May 2022

Release Date

Nov 2022

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

2055 MHz

Base Clock

1387 MHz

2635 MHz

Boost Clock

2394 MHz

2190 MHz

Memory Clock

2500 MHz

Memory

8GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

320bit

280.3GB/s

Bandwidth

800.0GB/s

Render Config

32

Compute Units

84

-

2048

Shading Units

5376

128

TMUs

336

64

ROPs

192

-

32

RT Cores

84

128 KB per Array

L1 Cache

256 KB per Array

2 MB

L2 Cache

6 MB

32 MB

L3 Cache

80 MB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

459.6 GPixel/s

337.3 GTexel/s

Texture Rate

804.4 GTexel/s

21.59 TFLOPS

FP16 (half)

103.0 TFLOPS

10.79 TFLOPS

FP32 (float)

51.48 TFLOPS

674.6 GFLOPS

FP64 (double)

1.609 TFLOPS

Board Design

176W

TDP

300W

450 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 23

GPU Name

Navi 31

Navi 23 KXT (215-130000136)

GPU Variant

Navi 31 XT (215-145000156)

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

57.7 billion

237 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

6.5

Shader Model

6.7

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