AMD Radeon Pro V420 vs ATI Radeon HD 3850 AGP

VS

AMD Radeon Pro V420

ATI Radeon HD 3850 AGP

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 512MB VRAM Radeon HD 3850 AGP 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 512GB)

Larger VRAM bandwidth (819.2GB/s vs 52.99GB/s)

3776 additional rendering cores

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420 +3154%

13.93 TFLOPS

Radeon HD 3850 AGP

0.428 TFLOPS

AMD Radeon Pro V420

VS

Radeon HD 3850 AGP

Graphics Card

Unknown

Release Date

Jan 2008

Radeon Pro Vega

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

800 MHz

Base Clock

-

1700 MHz

Boost Clock

-

800 MHz

Memory Clock

828 MHz

Memory

32GB

Memory Size

512MB

HBM2

Memory Type

GDDR3

4096bit

Memory Bus

256bit

819.2GB/s

Bandwidth

52.99GB/s

Render Config

64

Compute Units

4

-

4096

Shading Units

320

256

TMUs

16

64

ROPs

16

-

16 KB (per CU)

L1 Cache

-

4 MB

L2 Cache

256 KB

-

Theoretical Performance

108.8 GPixel/s

Pixel Rate

10.69 GPixel/s

435.2 GTexel/s

Texture Rate

10.69 GTexel/s

27.85 TFLOPS

FP16 (half)

-

13.93 TFLOPS

FP32 (float)

427.5 GFLOPS

6.963 TFLOPS

FP64 (double)

85.50 GFLOPS

Board Design

300W

TDP

75W

700 W

Suggested PSU

250 W

6x mini-DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Vega 20

GPU Name

RV670

Vega 20 GLXT WS (215-0914026)

GPU Variant

RV670 PRO (215-0708003)

GCN 5.1

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

13.23 billion

Transistors

0.666 billion

331 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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