AMD Radeon RX 470 vs AMD Radeon R9 390 X2

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 470 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 's Advantages

Released 11 months late

Boost Clock1206MHz

Lower TDP (120W vs 580W)

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (345.6GB/s vs 211.2GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 470

4.94 TFLOPS

Radeon R9 390 X2 +3%

5.12 TFLOPS

Radeon RX 470

VS

Radeon R9 390 X2

Graphics Card

Aug 2016

Release Date

Sep 2015

Arctic Islands

Generation

Pirate 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

1350 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

211.2GB/s

Bandwidth

345.6GB/s

Render Config

-

SM Count

-

32

Compute Units

40

2048

Shading Units

2560

128

TMUs

160

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

Theoretical Performance

38.59 GPixel/s

Pixel Rate

64.00 GPixel/s

154.4 GTexel/s

Texture Rate

160.0 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

5.120 TFLOPS

308.7 GFLOPS

FP64 (double)

640.0 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Grenada

Polaris 10 PRO (215-0876204)

GPU Variant

Grenada PRO (215-0880030)

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

6.2 billion

232 mm²

Die Size

438 mm²

Board Design

120W

TDP

580W

300 W

Suggested PSU

950 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

4x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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