AMD Radeon Pro V420 vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon Pro V420

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 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 V420 's Advantages

Boost Clock1700MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (819.2GB/s vs 21.34GB/s)

3376 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 300W)

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420 +1281%

13.93 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

AMD Radeon Pro V420

VS

Radeon HD 6770 Green Edition

Graphics Card

Unknown

Release Date

Apr 2013

Radeon Pro Vega

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

800 MHz

Base Clock

-

1700 MHz

Boost Clock

-

800 MHz

Memory Clock

667 MHz

Memory

32GB

Memory Size

2GB

HBM2

Memory Type

GDDR3

4096bit

Memory Bus

128bit

819.2GB/s

Bandwidth

21.34GB/s

Render Config

64

Compute Units

9

-

4096

Shading Units

720

256

TMUs

36

64

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

108.8 GPixel/s

Pixel Rate

11.20 GPixel/s

435.2 GTexel/s

Texture Rate

25.20 GTexel/s

27.85 TFLOPS

FP16 (half)

-

13.93 TFLOPS

FP32 (float)

1008 GFLOPS

6.963 TFLOPS

FP64 (double)

-

Board Design

300W

TDP

86W

700 W

Suggested PSU

250 W

6x mini-DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

Vega 20

GPU Name

Juniper

Vega 20 GLXT WS (215-0914026)

GPU Variant

Juniper LE (215-0754009)

GCN 5.1

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

13.23 billion

Transistors

1.04 billion

331 mm²

Die Size

166 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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