AMD Radeon Pro V620 vs AMD Radeon HD 8990 OEM

VS

AMD Radeon Pro V620 AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 3GB VRAM Radeon HD 8990 OEM 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 7 months late

Boost Clock has increased by 120% (2200MHz vs 1000MHz)

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 288.0GB/s)

2560 additional rendering cores

Lower TDP (300W vs 375W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +395%

20.28 TFLOPS

Radeon HD 8990 OEM

4.096 TFLOPS

Radeon Pro V620

VS

Radeon HD 8990 OEM

Graphics Card

Nov 2021

Release Date

Apr 2013

Radeon Pro

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

950 MHz

2200 MHz

Boost Clock

1000 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

72

Compute Units

32

4608

Shading Units

2048

288

TMUs

128

ROPs

32

-

Tensor Cores

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

Theoretical Performance

281.6 GPixel/s

Pixel Rate

32.00 GPixel/s

633.6 GTexel/s

Texture Rate

128.0 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

4.096 TFLOPS

1267 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Navi 21

GPU Name

Malta

Navi 21 XT (215-121000177)

GPU Variant

Malta XT (215-0849026)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

4.313 billion

520 mm²

Die Size

365 mm²

Board Design

300W

TDP

375W

700 W

Suggested PSU

750 W

No outputs

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

5.1

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