AMD Radeon Pro Vega 20 vs AMD Radeon RX 6650M XT

VS

AMD Radeon Pro Vega 20

AMD Radeon RX 6650M XT

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 8GB VRAM Radeon RX 6650M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Lower TDP (100W vs 120W)

AMD Radeon RX 6650M XT 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 88% (2416MHz vs 1283MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 189.4GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20

3.284 TFLOPS

Radeon RX 6650M XT +201%

9.896 TFLOPS

Radeon Pro Vega 20

VS

Radeon RX 6650M XT

Graphics Card

Nov 2018

Release Date

Jan 2022

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

815 MHz

Base Clock

2068 MHz

1283 MHz

Boost Clock

2416 MHz

740 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

HBM2

Memory Type

GDDR6

1024bit

Memory Bus

128bit

189.4GB/s

Bandwidth

256.0GB/s

Render Config

20

Compute Units

32

-

1280

Shading Units

2048

80

TMUs

128

32

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

41.06 GPixel/s

Pixel Rate

154.6 GPixel/s

102.6 GTexel/s

Texture Rate

309.2 GTexel/s

6.569 TFLOPS

FP16 (half)

19.79 TFLOPS

3.284 TFLOPS

FP32 (float)

9.896 TFLOPS

205.3 GFLOPS

FP64 (double)

618.5 GFLOPS

Board Design

100W

TDP

120W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Vega 12

GPU Name

Navi 23

Vega 12 XTA

GPU Variant

-

GCN 5.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

Unknown

Transistors

11.06 billion

Unknown

Die Size

237 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.5

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