ATI Radeon HD 3870 AGP vs AMD Radeon Pro V420

VS

ATI Radeon HD 3870 AGP

AMD Radeon Pro V420

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP 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 3870 AGP 's Advantages

Lower TDP (106W vs 300W)

AMD Radeon Pro V420 's Advantages

Boost Clock1700MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (819.2GB/s vs 72.06GB/s)

3776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 AGP

0.497 TFLOPS

AMD Radeon Pro V420 +2702%

13.93 TFLOPS

Radeon HD 3870 AGP

VS

AMD Radeon Pro V420

Graphics Card

Unknown

Release Date

Unknown

Radeon R600

Generation

Radeon Pro Vega

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

800 MHz

-

Boost Clock

1700 MHz

1126 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

32GB

GDDR4

Memory Type

HBM2

256bit

Memory Bus

4096bit

72.06GB/s

Bandwidth

819.2GB/s

Render Config

4

Compute Units

64

-

320

Shading Units

4096

16

TMUs

256

16

ROPs

64

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

108.8 GPixel/s

12.43 GTexel/s

Texture Rate

435.2 GTexel/s

-

FP16 (half)

27.85 TFLOPS

497.3 GFLOPS

FP32 (float)

13.93 TFLOPS

99.46 GFLOPS

FP64 (double)

6.963 TFLOPS

Board Design

106W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x S-Video

Outputs

6x mini-DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV670

GPU Name

Vega 20

RV670 XT (215-0708005)

GPU Variant

Vega 20 GLXT WS (215-0914026)

TeraScale

Architecture

GCN 5.1

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.666 billion

Transistors

13.23 billion

192 mm²

Die Size

331 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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