AMD Radeon RX 6600 vs AMD Radeon Pro Duo

VS

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 4GB VRAM Radeon Pro Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 5 years and 6 months late

Boost Clock2491MHz

More VRAM (8GB vs 4GB)

Lower TDP (132W vs 350W)

AMD Radeon Pro Duo 's Advantages

Larger VRAM bandwidth (512.0GB/s vs 224.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 +8%

8.928 TFLOPS

Radeon Pro Duo

8.192 TFLOPS

Radeon RX 6600

VS

Radeon Pro Duo

Graphics Card

Oct 2021

Release Date

Apr 2016

Navi II

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2491 MHz

Boost Clock

-

1750 MHz

Memory Clock

500 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

HBM

128bit

Memory Bus

4096bit

224.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

28

Compute Units

64

1792

Shading Units

4096

112

TMUs

256

64

ROPs

64

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

2 MB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

64.00 GPixel/s

279.0 GTexel/s

Texture Rate

256.0 GTexel/s

17.86 TFLOPS

FP16 (half)

8.192 TFLOPS

8.928 TFLOPS

FP32 (float)

8.192 TFLOPS

558.0 GFLOPS

FP64 (double)

512.0 GFLOPS

Graphics Processor

Navi 23

GPU Name

Capsaicin

Navi 23 XL (215-130000016)

GPU Variant

Capsaicin XT

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

8.9 billion

237 mm²

Die Size

596 mm²

Board Design

132W

TDP

350W

300 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 8-pin

Power Connectors

3x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.0

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