ATI Radeon HD 4870 Mac Edition vs AMD Radeon RX 580 2048SP

VS

ATI Radeon HD 4870 Mac Edition AMD Radeon RX 580 2048SP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 4GB VRAM Radeon RX 580 2048SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 2048SP 's Advantages

Released 9 years and 9 months late

Boost Clock1284MHz

Larger VRAM bandwidth (224.0GB/s vs 108.8GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon RX 580 2048SP +338%

5.259 TFLOPS

Radeon HD 4870 Mac Edition

VS

Radeon RX 580 2048SP

Graphics Card

Jan 2009

Release Date

Oct 2018

Radeon R700

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1168 MHz

-

Boost Clock

1284 MHz

850 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

108.8GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

10

Compute Units

32

800

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

41.09 GPixel/s

30.00 GTexel/s

Texture Rate

164.4 GTexel/s

-

FP16 (half)

5.259 TFLOPS

1200 GFLOPS

FP32 (float)

5.259 TFLOPS

240.0 GFLOPS

FP64 (double)

328.7 GFLOPS

Graphics Processor

RV770

GPU Name

Polaris 20

RV770 XT Mac (215-0669080)

GPU Variant

Polaris 20 XL (215-0910052)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.956 billion

Transistors

5.7 billion

256 mm²

Die Size

232 mm²

Board Design

150W

TDP

150W

450 W

Suggested PSU

450 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

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

2x 6-pin

Power Connectors

1x 8-pin

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

6.4

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