AMD Radeon Pro W6800X vs AMD Radeon RX 6650 XT

VS

AMD Radeon Pro W6800X

AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X 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 Pro W6800X 's Advantages

More VRAM (32GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 280.3GB/s)

1792 additional rendering cores

AMD Radeon RX 6650 XT 's Advantages

Released 9 months late

Boost Clock has increased by 26% (2635MHz vs 2087MHz)

Lower TDP (176W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X +48%

16.03 TFLOPS

Radeon RX 6650 XT

10.79 TFLOPS

Blender

Radeon Pro W6800X +9%

1420

Radeon RX 6650 XT

1299

Radeon Pro W6800X

VS

Radeon RX 6650 XT

Graphics Card

Aug 2021

Release Date

May 2022

Radeon Pro Mac

Generation

Navi II

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 4.0 x8

Clock Speeds

1800 MHz

Base Clock

2055 MHz

2087 MHz

Boost Clock

2635 MHz

2000 MHz

Memory Clock

2190 MHz

Memory

32GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

280.3GB/s

Render Config

60

Compute Units

32

-

3840

Shading Units

2048

240

TMUs

128

96

ROPs

64

-

60

RT Cores

32

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

128 MB

L3 Cache

32 MB

Theoretical Performance

200.4 GPixel/s

Pixel Rate

168.6 GPixel/s

500.9 GTexel/s

Texture Rate

337.3 GTexel/s

32.06 TFLOPS

FP16 (half)

21.59 TFLOPS

16.03 TFLOPS

FP32 (float)

10.79 TFLOPS

1002 GFLOPS

FP64 (double)

674.6 GFLOPS

Board Design

200W

TDP

176W

550 W

Suggested PSU

450 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

Apple MPX

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

Navi 23

Navi 21 Pro-XLA

GPU Variant

Navi 23 KXT (215-130000136)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

26.8 billion

Transistors

11.06 billion

520 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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