AMD Radeon Pro W6800X Duo vs AMD Radeon RX 6600 XT

VS

AMD Radeon Pro W6800X Duo

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

More VRAM (32GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 256.0GB/s)

1792 additional rendering cores

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 32% (2589MHz vs 1967MHz)

Lower TDP (160W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +42%

15.11 TFLOPS

Radeon RX 6600 XT

10.6 TFLOPS

Blender

Radeon Pro W6800X Duo +24%

1492

Radeon RX 6600 XT

1196

Radeon Pro W6800X Duo

VS

Radeon RX 6600 XT

Graphics Card

Aug 2021

Release Date

Jul 2021

Radeon Pro Mac

Generation

Navi II

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 4.0 x8

Clock Speeds

1800 MHz

Base Clock

1968 MHz

1967 MHz

Boost Clock

2589 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

32GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

256.0GB/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

188.8 GPixel/s

Pixel Rate

165.7 GPixel/s

472.1 GTexel/s

Texture Rate

331.4 GTexel/s

30.21 TFLOPS

FP16 (half)

21.21 TFLOPS

15.11 TFLOPS

FP32 (float)

10.60 TFLOPS

944.2 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

400W

TDP

160W

800 W

Suggested PSU

450 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

Navi 23

Navi 21 Pro-XLA

GPU Variant

Navi 23 XT (215-130000006)

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

6.7

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