AMD Radeon RX 580 2048SP vs ATI Radeon HD 3870 AGP

VS

AMD Radeon RX 580 2048SP

ATI Radeon HD 3870 AGP

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 580 2048SP and 512MB VRAM Radeon HD 3870 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 2048SP 's Advantages

Boost Clock1284MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 72.06GB/s)

1728 additional rendering cores

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 580 2048SP +958%

5.259 TFLOPS

Radeon HD 3870 AGP

0.497 TFLOPS

Radeon RX 580 2048SP

VS

Radeon HD 3870 AGP

Graphics Card

Oct 2018

Release Date

Unknown

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

1168 MHz

Base Clock

-

1284 MHz

Boost Clock

-

1750 MHz

Memory Clock

1126 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

224.0GB/s

Bandwidth

72.06GB/s

Render Config

32

Compute Units

4

-

2048

Shading Units

320

128

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

41.09 GPixel/s

Pixel Rate

12.43 GPixel/s

164.4 GTexel/s

Texture Rate

12.43 GTexel/s

5.259 TFLOPS

FP16 (half)

-

5.259 TFLOPS

FP32 (float)

497.3 GFLOPS

328.7 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

150W

TDP

106W

450 W

Suggested PSU

300 W

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Polaris 20

GPU Name

RV670

Polaris 20 XL (215-0910052)

GPU Variant

RV670 XT (215-0708005)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5.7 billion

Transistors

0.666 billion

232 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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