AMD Radeon RX Vega 64 Limited Edition vs AMD Radeon R9 390X

VS

AMD Radeon RX Vega 64 Limited Edition AMD Radeon R9 390X

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

Released 2 years and 2 months late

Boost Clock1546MHz

Larger VRAM bandwidth (483.8GB/s vs 384.0GB/s)

1280 additional rendering cores

AMD Radeon R9 390X 's Advantages

Lower TDP (275W vs 295W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Limited Edition +114%

12.66 TFLOPS

Radeon R9 390X

5.914 TFLOPS

Radeon RX Vega 64 Limited Edition

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

1247 MHz

Base Clock

-

1546 MHz

Boost Clock

-

945 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

8GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

512bit

483.8GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

64

Compute Units

44

4096

Shading Units

2816

256

TMUs

176

64

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

Theoretical Performance

98.94 GPixel/s

Pixel Rate

67.20 GPixel/s

395.8 GTexel/s

Texture Rate

184.8 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

5.914 TFLOPS

791.6 GFLOPS

FP64 (double)

739.2 GFLOPS

Graphics Processor

Vega 10

GPU Name

Grenada

Vega 10 XT (215-0894200)

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

Board Design

295W

TDP

275W

600 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 Features

12 (12_1)

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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