ATI Radeon HD 3870 Mac Edition vs AMD Radeon RX 470

VS

ATI Radeon HD 3870 Mac Edition

AMD Radeon RX 470

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 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

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 120W)

AMD Radeon RX 470 's Advantages

Released 8 years and 2 months late

Boost Clock1206MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (211.2GB/s vs 72.06GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon RX 470 +893%

4.94 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon RX 470

Graphics Card

Jun 2008

Release Date

Aug 2016

Radeon R600

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

1126 MHz

Memory Clock

1650 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

211.2GB/s

Render Config

4

Compute Units

32

-

320

Shading Units

2048

16

TMUs

128

16

ROPs

32

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

38.59 GPixel/s

12.43 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

497.3 GFLOPS

FP32 (float)

4.940 TFLOPS

99.46 GFLOPS

FP64 (double)

308.7 GFLOPS

Board Design

106W

TDP

120W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV670

GPU Name

Ellesmere

RV670 XT (215-0708005)

GPU Variant

Polaris 10 PRO (215-0876204)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

5.7 billion

192 mm²

Die Size

232 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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