AMD Radeon Pro W6800X vs ATI Radeon HD 5450 PCIe x1

VS

AMD Radeon Pro W6800X

ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X and 512MB VRAM Radeon HD 5450 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Released 11 years and 6 months late

Boost Clock2087MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 8.000GB/s)

3760 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X +15313%

16.03 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon Pro W6800X

VS

Radeon HD 5450 PCIe x1

Graphics Card

Aug 2021

Release Date

Feb 2010

Radeon Pro Mac

Generation

Evergreen

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 2.0 x1

Clock Speeds

1800 MHz

Base Clock

-

2087 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

32GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

8.000GB/s

Render Config

60

Compute Units

2

-

3840

Shading Units

80

240

TMUs

8

96

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

128 MB

L3 Cache

-

Theoretical Performance

200.4 GPixel/s

Pixel Rate

2.600 GPixel/s

500.9 GTexel/s

Texture Rate

5.200 GTexel/s

32.06 TFLOPS

FP16 (half)

-

16.03 TFLOPS

FP32 (float)

104.0 GFLOPS

1002 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

19W

550 W

Suggested PSU

200 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

Apple MPX

Power Connectors

-

Graphics Processor

Navi 21

GPU Name

Cedar

Navi 21 Pro-XLA

GPU Variant

Cedar PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.292 billion

520 mm²

Die Size

59 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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