AMD Radeon RX Vega 64 vs AMD Radeon R9 390 X2

VS

AMD Radeon RX Vega 64

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 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 Vega 64 's Advantages

Released 1 years and 11 months late

Boost Clock1546MHz

Larger VRAM bandwidth (483.8GB/s vs 345.6GB/s)

1536 additional rendering cores

Lower TDP (295W vs 580W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 +147%

12.66 TFLOPS

Radeon R9 390 X2

5.12 TFLOPS

Radeon RX Vega 64

VS

Radeon R9 390 X2

Graphics Card

Aug 2017

Release Date

Sep 2015

Vega

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1247 MHz

Base Clock

-

1546 MHz

Boost Clock

-

945 MHz

Memory Clock

1350 MHz

Memory

8GB

Memory Size

8GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

512bit

483.8GB/s

Bandwidth

345.6GB/s

Render Config

64

Compute Units

40

-

4096

Shading Units

2560

256

TMUs

160

64

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

98.94 GPixel/s

Pixel Rate

64.00 GPixel/s

395.8 GTexel/s

Texture Rate

160.0 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

5.120 TFLOPS

791.6 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

295W

TDP

580W

600 W

Suggested PSU

950 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

4x 8-pin

Graphics Processor

Vega 10

GPU Name

Grenada

Vega 10 XT (215-0894200)

GPU Variant

Grenada PRO (215-0880030)

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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