AMD Radeon R9 285X vs AMD Radeon Pro V420

VS

AMD Radeon R9 285X

AMD Radeon Pro V420

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X 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 R9 285X 's Advantages

Lower TDP (200W vs 300W)

AMD Radeon Pro V420 's Advantages

Boost Clock1700MHz

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (819.2GB/s vs 264.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285X

4.104 TFLOPS

AMD Radeon Pro V420 +239%

13.93 TFLOPS

Radeon R9 285X

VS

AMD Radeon Pro V420

Graphics Card

Unknown

Release Date

Unknown

Volcanic Islands

Generation

Radeon Pro Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

800 MHz

-

Boost Clock

1700 MHz

1375 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

4096bit

264.0GB/s

Bandwidth

819.2GB/s

Render Config

32

Compute Units

64

-

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

108.8 GPixel/s

128.3 GTexel/s

Texture Rate

435.2 GTexel/s

-

FP16 (half)

27.85 TFLOPS

4.104 TFLOPS

FP32 (float)

13.93 TFLOPS

-

FP64 (double)

6.963 TFLOPS

Board Design

200W

TDP

300W

550 W

Suggested PSU

700 W

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

Outputs

6x mini-DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tonga

GPU Name

Vega 20

Tonga XT (215-0851313)

GPU Variant

Vega 20 GLXT WS (215-0914026)

GCN 3.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

5 billion

Transistors

13.23 billion

366 mm²

Die Size

331 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.7

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