AMD Radeon Pro V420 vs AMD Radeon HD 7970 GHz Edition

VS

AMD Radeon Pro V420

AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 3GB VRAM Radeon HD 7970 GHz 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 Clock has increased by 62% (1700MHz vs 1050MHz)

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (819.2GB/s vs 288.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420 +223%

13.93 TFLOPS

Radeon HD 7970 GHz Edition

4.301 TFLOPS

AMD Radeon Pro V420

VS

Radeon HD 7970 GHz Edition

Graphics Card

Unknown

Release Date

Jun 2012

Radeon Pro Vega

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

800 MHz

Base Clock

1000 MHz

1700 MHz

Boost Clock

1050 MHz

800 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

3GB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

384bit

819.2GB/s

Bandwidth

288.0GB/s

Render Config

64

Compute Units

32

-

4096

Shading Units

2048

256

TMUs

128

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

-

Theoretical Performance

108.8 GPixel/s

Pixel Rate

33.60 GPixel/s

435.2 GTexel/s

Texture Rate

134.4 GTexel/s

27.85 TFLOPS

FP16 (half)

-

13.93 TFLOPS

FP32 (float)

4.301 TFLOPS

6.963 TFLOPS

FP64 (double)

1075 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

6x mini-DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Vega 20

GPU Name

Tahiti

Vega 20 GLXT WS (215-0914026)

GPU Variant

Tahiti XT2 (215-0821065)

GCN 5.1

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

13.23 billion

Transistors

4.313 billion

331 mm²

Die Size

352 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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