AMD Radeon Pro V620 vs ATI Radeon HD 5450 PCIe x1

VS

AMD Radeon Pro V620

ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 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 V620 's Advantages

Released 11 years and 9 months late

Boost Clock2200MHz

More VRAM (32GB vs 512GB)

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

4528 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +19400%

20.28 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon Pro V620

VS

Radeon HD 5450 PCIe x1

Graphics Card

Nov 2021

Release Date

Feb 2010

Radeon Pro

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

1825 MHz

Base Clock

-

2200 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

72

Compute Units

2

-

4608

Shading Units

80

288

TMUs

8

128

ROPs

4

-

72

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

2.600 GPixel/s

633.6 GTexel/s

Texture Rate

5.200 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

104.0 GFLOPS

1267 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

19W

700 W

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

-

Graphics Processor

Navi 21

GPU Name

Cedar

Navi 21 XT (215-121000177)

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

-

6.5

Shader Model

5.0

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