AMD Radeon HD 8990 OEM vs AMD Radeon Pro V620

VS

AMD Radeon HD 8990 OEM

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM 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 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 HD 8990 OEM

4.096 TFLOPS

Radeon Pro V620 +395%

20.28 TFLOPS

Radeon HD 8990 OEM

VS

Radeon Pro V620

Graphics Card

Apr 2013

Release Date

Nov 2021

Sea Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

950 MHz

Base Clock

1825 MHz

1000 MHz

Boost Clock

2200 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

512.0GB/s

Render Config

32

Compute Units

72

-

2048

Shading Units

4608

128

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

32.00 GPixel/s

Pixel Rate

281.6 GPixel/s

128.0 GTexel/s

Texture Rate

633.6 GTexel/s

-

FP16 (half)

40.55 TFLOPS

4.096 TFLOPS

FP32 (float)

20.28 TFLOPS

1024 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

375W

TDP

300W

750 W

Suggested PSU

700 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Malta

GPU Name

Navi 21

Malta XT (215-0849026)

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

365 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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