AMD Radeon RX 7950 XT vs AMD Radeon RX 6650 XT

VS

AMD Radeon RX 7950 XT AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7950 XT 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 7950 XT 's Advantages

Boost Clock has increased by 14% (3000MHz vs 2635MHz)

More VRAM (20GB vs 8GB)

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

3328 additional rendering cores

AMD Radeon RX 6650 XT 's Advantages

Lower TDP (176W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XT +497%

64.51 TFLOPS

Radeon RX 6650 XT

10.79 TFLOPS

Radeon RX 7950 XT

VS

Radeon RX 6650 XT

Graphics Card

Unknown

Release Date

May 2022

Navi III

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2000 MHz

Base Clock

2055 MHz

3000 MHz

Boost Clock

2635 MHz

2500 MHz

Memory Clock

2190 MHz

Memory

20GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

280.3GB/s

Render Config

-

SM Count

-

84

Compute Units

32

5376

Shading Units

2048

336

TMUs

128

192

ROPs

64

-

Tensor Cores

-

84

RT Cores

32

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

2 MB

Theoretical Performance

576.0 GPixel/s

Pixel Rate

168.6 GPixel/s

1008 GTexel/s

Texture Rate

337.3 GTexel/s

129.0 TFLOPS

FP16 (half)

21.59 TFLOPS

64.51 TFLOPS

FP32 (float)

10.79 TFLOPS

2.016 TFLOPS

FP64 (double)

674.6 GFLOPS

Graphics Processor

Navi 31

GPU Name

Navi 23

Navi 31 XT+

GPU Variant

Navi 23 KXT (215-130000136)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

57.7 billion

Transistors

11.06 billion

529 mm²

Die Size

237 mm²

Board Design

300W

TDP

176W

700 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.7

Shader Model

6.5

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