AMD Radeon RX Vega 56 vs AMD Radeon R9 390X

VS

AMD Radeon RX Vega 56

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 's Advantages

Released 2 years and 2 months late

Boost Clock1471MHz

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

768 additional rendering cores

Lower TDP (210W vs 275W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 +78%

10.54 TFLOPS

Radeon R9 390X

5.914 TFLOPS

3DMark Time Spy

Radeon RX Vega 56 +62%

6878

Radeon R9 390X

4245

Radeon RX Vega 56

VS

Radeon R9 390X

Graphics Card

Aug 2017

Release Date

Jun 2015

Vega

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1156 MHz

Base Clock

-

1471 MHz

Boost Clock

-

800 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

8GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

512bit

409.6GB/s

Bandwidth

384.0GB/s

Render Config

56

Compute Units

44

-

3584

Shading Units

2816

224

TMUs

176

64

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

94.14 GPixel/s

Pixel Rate

67.20 GPixel/s

329.5 GTexel/s

Texture Rate

184.8 GTexel/s

21.09 TFLOPS

FP16 (half)

-

10.54 TFLOPS

FP32 (float)

5.914 TFLOPS

659.0 GFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

210W

TDP

275W

550 W

Suggested PSU

600 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Vega 10

GPU Name

Grenada

Vega 10 XL (215-0894216)

GPU Variant

Grenada XT (215-0880004)

GCN 5.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

6.2 billion

495 mm²

Die Size

438 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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