AMD Radeon Pro V620 vs AMD Radeon HD 7850

VS

AMD Radeon Pro V620

AMD Radeon HD 7850

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Released 9 years and 8 months late

Boost Clock2200MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)

3584 additional rendering cores

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +1051%

20.28 TFLOPS

Radeon HD 7850

1.761 TFLOPS

Radeon Pro V620

VS

Radeon HD 7850

Graphics Card

Nov 2021

Release Date

Mar 2012

Radeon Pro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2200 MHz

Boost Clock

-

2000 MHz

Memory Clock

1200 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

153.6GB/s

Render Config

72

Compute Units

16

-

4608

Shading Units

1024

288

TMUs

64

128

ROPs

32

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

27.52 GPixel/s

633.6 GTexel/s

Texture Rate

55.04 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

1.761 TFLOPS

1267 GFLOPS

FP64 (double)

110.1 GFLOPS

Board Design

300W

TDP

130W

700 W

Suggested PSU

300 W

No outputs

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 21

GPU Name

Pitcairn

Navi 21 XT (215-121000177)

GPU Variant

Pitcairn PRO (215-0828062)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

2.8 billion

520 mm²

Die Size

212 mm²

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

-

6.5

Shader Model

5.1

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