AMD Radeon HD 6970 X2 vs AMD Radeon Pro V420

VS

AMD Radeon HD 6970 X2

AMD Radeon Pro V420

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 32GB VRAM AMD Radeon Pro V420 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 176.0GB/s)

2560 additional rendering cores

Lower TDP (300W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2

2.703 TFLOPS

AMD Radeon Pro V420 +415%

13.93 TFLOPS

Radeon HD 6970 X2

VS

AMD Radeon Pro V420

Graphics Card

Unknown

Release Date

Unknown

Northern Islands

Generation

Radeon Pro Vega

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

800 MHz

-

Boost Clock

1700 MHz

1375 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

4096bit

176.0GB/s

Bandwidth

819.2GB/s

Render Config

24

Compute Units

64

-

1536

Shading Units

4096

96

TMUs

256

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

108.8 GPixel/s

84.48 GTexel/s

Texture Rate

435.2 GTexel/s

-

FP16 (half)

27.85 TFLOPS

2.703 TFLOPS

FP32 (float)

13.93 TFLOPS

-

FP64 (double)

6.963 TFLOPS

Board Design

375W

TDP

300W

750 W

Suggested PSU

700 W

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

Outputs

6x mini-DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Antilles

GPU Name

Vega 20

Antilles XT (215-0807027)

GPU Variant

Vega 20 GLXT WS (215-0914026)

TeraScale 3

Architecture

GCN 5.1

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.64 billion

Transistors

13.23 billion

389 mm²

Die Size

331 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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