AMD Radeon Pro V420 vs AMD Radeon HD 8490 OEM

VS

AMD Radeon Pro V420 AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 1024MB VRAM Radeon HD 8490 OEM 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 1GB)

Larger VRAM bandwidth (819.2GB/s vs 14.40GB/s)

3936 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 300W)

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420 +4875%

13.93 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

AMD Radeon Pro V420

VS

Radeon HD 8490 OEM

Graphics Card

Unknown

Release Date

Jul 2013

Radeon Pro Vega

Generation

Sea 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

900 MHz

Memory

32GB

Memory Size

1024MB

HBM2

Memory Type

DDR3

4096bit

Memory Bus

64bit

819.2GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

64

Compute Units

2

4096

Shading Units

160

256

TMUs

8

64

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

Theoretical Performance

108.8 GPixel/s

Pixel Rate

3.500 GPixel/s

435.2 GTexel/s

Texture Rate

7.000 GTexel/s

27.85 TFLOPS

FP16 (half)

-

13.93 TFLOPS

FP32 (float)

280.0 GFLOPS

6.963 TFLOPS

FP64 (double)

-

Graphics Processor

Vega 20

GPU Name

Caicos

Vega 20 GLXT WS (215-0914026)

GPU Variant

Caicos XTX

GCN 5.1

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

13.23 billion

Transistors

0.37 billion

331 mm²

Die Size

67 mm²

Board Design

300W

TDP

35W

700 W

Suggested PSU

200 W

6x mini-DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

None

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

-

CUDA

-

6.7

Shader Model

5.0

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