AMD Radeon Pro V620 vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon Pro V620

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 2GB VRAM Radeon HD 6770 Green Edition 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 Clock2200MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 21.34GB/s)

3888 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +1911%

20.28 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon Pro V620

VS

Radeon HD 6770 Green Edition

Graphics Card

Nov 2021

Release Date

Apr 2013

Radeon Pro

Generation

Northern Islands

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

667 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

21.34GB/s

Render Config

72

Compute Units

9

-

4608

Shading Units

720

288

TMUs

36

128

ROPs

16

-

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

11.20 GPixel/s

633.6 GTexel/s

Texture Rate

25.20 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

1008 GFLOPS

1267 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

86W

700 W

Suggested PSU

250 W

No outputs

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

2x 8-pin

Power Connectors

-

Graphics Processor

Navi 21

GPU Name

Juniper

Navi 21 XT (215-121000177)

GPU Variant

Juniper LE (215-0754009)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.04 billion

520 mm²

Die Size

166 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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