ATI Radeon HD 4890 vs AMD Radeon Pro V420

VS

ATI Radeon HD 4890

AMD Radeon Pro V420

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 32GB VRAM AMD Radeon Pro V420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 300W)

AMD Radeon Pro V420 's Advantages

Boost Clock1700MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (819.2GB/s vs 124.8GB/s)

3296 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4890

1.36 TFLOPS

AMD Radeon Pro V420 +924%

13.93 TFLOPS

Radeon HD 4890

VS

AMD Radeon Pro V420

Graphics Card

Apr 2009

Release Date

Unknown

Radeon R700

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

975 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

32GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

4096bit

124.8GB/s

Bandwidth

819.2GB/s

Render Config

10

Compute Units

64

-

800

Shading Units

4096

40

TMUs

256

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

108.8 GPixel/s

34.00 GTexel/s

Texture Rate

435.2 GTexel/s

-

FP16 (half)

27.85 TFLOPS

1360 GFLOPS

FP32 (float)

13.93 TFLOPS

272.0 GFLOPS

FP64 (double)

6.963 TFLOPS

Board Design

190W

TDP

300W

450 W

Suggested PSU

700 W

2x DVI 1x S-Video

Outputs

6x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV790

GPU Name

Vega 20

RV790 XT (215-0758016)

GPU Variant

Vega 20 GLXT WS (215-0914026)

TeraScale

Architecture

GCN 5.1

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.959 billion

Transistors

13.23 billion

282 mm²

Die Size

331 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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