ATI Radeon HD 4870 Mac Edition vs AMD Radeon RX 470

VS

ATI Radeon HD 4870 Mac Edition

AMD Radeon RX 470

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 4GB VRAM Radeon RX 470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 's Advantages

Released 7 years and 7 months late

Boost Clock1206MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (211.2GB/s vs 108.8GB/s)

1248 additional rendering cores

Lower TDP (120W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon RX 470 +311%

4.94 TFLOPS

Radeon HD 4870 Mac Edition

VS

Radeon RX 470

Graphics Card

Jan 2009

Release Date

Aug 2016

Radeon R700

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1206 MHz

850 MHz

Memory Clock

1650 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

108.8GB/s

Bandwidth

211.2GB/s

Render Config

10

Compute Units

32

-

800

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

38.59 GPixel/s

30.00 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

1200 GFLOPS

FP32 (float)

4.940 TFLOPS

240.0 GFLOPS

FP64 (double)

308.7 GFLOPS

Board Design

150W

TDP

120W

450 W

Suggested PSU

300 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV770

GPU Name

Ellesmere

RV770 XT Mac (215-0669080)

GPU Variant

Polaris 10 PRO (215-0876204)

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

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

-

4.1

Shader Model

6.4

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