AMD Radeon Pro V620 vs ATI FirePro V4900

VS

AMD Radeon Pro V620

ATI FirePro V4900

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 1024MB VRAM FirePro V4900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Released 10 years late

Boost Clock2200MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

4128 additional rendering cores

ATI FirePro V4900 's Advantages

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +2540%

20.28 TFLOPS

FirePro V4900

0.768 TFLOPS

Radeon Pro V620

VS

FirePro V4900

Graphics Card

Nov 2021

Release Date

Nov 2011

Radeon Pro

Generation

FirePro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2200 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

32GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

72

Compute Units

6

-

4608

Shading Units

480

288

TMUs

24

128

ROPs

8

-

72

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

6.400 GPixel/s

633.6 GTexel/s

Texture Rate

19.20 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

768.0 GFLOPS

1267 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

75W

700 W

Suggested PSU

250 W

No outputs

Outputs

1x DVI 2x DisplayPort 1.1

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Turks

Navi 21 XT (215-121000177)

GPU Variant

Turks XT GL

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.716 billion

520 mm²

Die Size

118 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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