AMD Radeon RX 470 vs AMD Radeon HD 7870 GHz Edition

VS

AMD Radeon RX 470 AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 470 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 's Advantages

Released 4 years and 5 months late

Boost Clock1206MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (211.2GB/s vs 153.6GB/s)

768 additional rendering cores

Lower TDP (120W vs 175W)

Score

Benchmark

FP32 (float)

Radeon RX 470 +92%

4.94 TFLOPS

Radeon HD 7870 GHz Edition

2.56 TFLOPS

Radeon RX 470

VS

Radeon HD 7870 GHz Edition

Graphics Card

Aug 2016

Release Date

Mar 2012

Arctic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

926 MHz

Base Clock

-

1206 MHz

Boost Clock

-

1650 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

211.2GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

32

Compute Units

20

2048

Shading Units

1280

128

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

38.59 GPixel/s

Pixel Rate

32.00 GPixel/s

154.4 GTexel/s

Texture Rate

80.00 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

2.560 TFLOPS

308.7 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Pitcairn

Polaris 10 PRO (215-0876204)

GPU Variant

Pitcairn XT (215-0828047)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.8 billion

232 mm²

Die Size

212 mm²

Board Design

120W

TDP

175W

300 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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