AMD Radeon RX 6600 XT vs AMD Radeon Pro W6800X Duo

VS

AMD Radeon RX 6600 XT AMD Radeon Pro W6800X Duo

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

Main Differences

AMD Radeon RX 6600 XT 's Advantages

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

Lower TDP (160W vs 400W)

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

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT

10.6 TFLOPS

Radeon Pro W6800X Duo +42%

15.11 TFLOPS

Blender

Radeon RX 6600 XT

1187

Radeon Pro W6800X Duo +25%

1492

Radeon RX 6600 XT

VS

Radeon Pro W6800X Duo

Graphics Card

Jul 2021

Release Date

Aug 2021

Navi II

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

Apple MPX

Clock Speeds

1968 MHz

Base Clock

1800 MHz

2589 MHz

Boost Clock

1967 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

32GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

32

Compute Units

60

2048

Shading Units

3840

128

TMUs

240

64

ROPs

96

-

Tensor Cores

-

32

RT Cores

60

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

4 MB

Theoretical Performance

165.7 GPixel/s

Pixel Rate

188.8 GPixel/s

331.4 GTexel/s

Texture Rate

472.1 GTexel/s

21.21 TFLOPS

FP16 (half)

30.21 TFLOPS

10.60 TFLOPS

FP32 (float)

15.11 TFLOPS

662.8 GFLOPS

FP64 (double)

944.2 GFLOPS

Graphics Processor

Navi 23

GPU Name

Navi 21

Navi 23 XT (215-130000006)

GPU Variant

Navi 21 Pro-XLA

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

26.8 billion

237 mm²

Die Size

520 mm²

Board Design

160W

TDP

400W

450 W

Suggested PSU

800 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 4x Thunderbolt

1x 8-pin

Power Connectors

None

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

-

CUDA

-

6.7

Shader Model

6.7

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