AMD Radeon R9 390 vs AMD Radeon RX Vega Nano

VS

AMD Radeon R9 390

AMD Radeon RX Vega Nano

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

Main Differences

AMD Radeon RX Vega Nano 's Advantages

Boost Clock1546MHz

Larger VRAM bandwidth (409.6GB/s vs 384.0GB/s)

1536 additional rendering cores

Lower TDP (175W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390

5.12 TFLOPS

Radeon RX Vega Nano +147%

12.66 TFLOPS

Radeon R9 390

VS

Radeon RX Vega Nano

Graphics Card

Jun 2015

Release Date

Unknown

Pirate Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1247 MHz

-

Boost Clock

1546 MHz

1500 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

512bit

Memory Bus

2048bit

384.0GB/s

Bandwidth

409.6GB/s

Render Config

40

Compute Units

64

-

2560

Shading Units

4096

160

TMUs

256

64

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

98.94 GPixel/s

160.0 GTexel/s

Texture Rate

395.8 GTexel/s

-

5.120 TFLOPS

FP32 (float)

12.66 TFLOPS

640.0 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

275W

TDP

175W

600 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Grenada

GPU Name

Vega 10

Grenada PRO (215-0880030)

GPU Variant

Vega 10 XT (215-0894200)

GCN 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

6.2 billion

Transistors

12.5 billion

438 mm²

Die Size

495 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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