AMD Radeon Sky 900 vs AMD Radeon Pro V620

VS

AMD Radeon Sky 900

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 32GB VRAM Radeon Pro V620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Released 8 years and 8 months late

Boost Clock has increased by 132% (2200MHz vs 950MHz)

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 240.0GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Sky 900

3.405 TFLOPS

Radeon Pro V620 +495%

20.28 TFLOPS

Radeon Sky 900

VS

Radeon Pro V620

Graphics Card

Mar 2013

Release Date

Nov 2021

Radeon Sky

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

825 MHz

Base Clock

1825 MHz

950 MHz

Boost Clock

2200 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

512.0GB/s

Render Config

28

Compute Units

72

-

1792

Shading Units

4608

112

TMUs

288

32

ROPs

128

-

RT Cores

72

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

30.40 GPixel/s

Pixel Rate

281.6 GPixel/s

106.4 GTexel/s

Texture Rate

633.6 GTexel/s

-

FP16 (half)

40.55 TFLOPS

3.405 TFLOPS

FP32 (float)

20.28 TFLOPS

851.2 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 21

Orthrus

GPU Variant

Navi 21 XT (215-121000177)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

26.8 billion

352 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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