AMD Radeon Pro W6800X vs AMD Radeon RX 455 OEM

VS

AMD Radeon Pro W6800X

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Released 5 years and 2 months late

Boost Clock2087MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 104.0GB/s)

3072 additional rendering cores

AMD Radeon RX 455 OEM 's Advantages

Lower TDP (100W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X +893%

16.03 TFLOPS

Radeon RX 455 OEM

1.613 TFLOPS

Radeon Pro W6800X

VS

Radeon RX 455 OEM

Graphics Card

Aug 2021

Release Date

Jun 2016

Radeon Pro Mac

Generation

Arctic Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x16

Clock Speeds

1800 MHz

Base Clock

-

2087 MHz

Boost Clock

-

2000 MHz

Memory Clock

1625 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

104.0GB/s

Render Config

60

Compute Units

12

-

3840

Shading Units

768

240

TMUs

48

96

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

200.4 GPixel/s

Pixel Rate

16.80 GPixel/s

500.9 GTexel/s

Texture Rate

50.40 GTexel/s

32.06 TFLOPS

FP16 (half)

-

16.03 TFLOPS

FP32 (float)

1.613 TFLOPS

1002 GFLOPS

FP64 (double)

100.8 GFLOPS

Board Design

200W

TDP

100W

550 W

Suggested PSU

300 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Apple MPX

Power Connectors

1x 6-pin

Graphics Processor

Navi 21

GPU Name

Tobago

Navi 21 Pro-XLA

GPU Variant

Tobago PRO (215-0875010)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

2.08 billion

520 mm²

Die Size

160 mm²

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

-

6.7

Shader Model

6.3

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