AMD Radeon R9 390 X2 vs Intel Xe DG1

VS

AMD Radeon R9 390 X2

Intel Xe DG1

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 4GB VRAM Xe DG1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (345.6GB/s vs 68.26GB/s)

1920 additional rendering cores

Intel Xe DG1 's Advantages

Boost Clock1550MHz

Lower TDP (30W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +158%

5.12 TFLOPS

Xe DG1

1.984 TFLOPS

Radeon R9 390 X2

VS

Xe DG1

Graphics Card

Sep 2015

Release Date

Unknown

Pirate Islands

Generation

Xe Graphics

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1550 MHz

1350 MHz

Memory Clock

2133 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

LPDDR4X

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

68.26GB/s

Render Config

40

Compute Units

-

2560

Shading Units

640

160

TMUs

40

64

ROPs

20

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

31.00 GPixel/s

160.0 GTexel/s

Texture Rate

62.00 GTexel/s

-

FP16 (half)

3.968 TFLOPS

5.120 TFLOPS

FP32 (float)

1.984 TFLOPS

640.0 GFLOPS

FP64 (double)

496.0 GFLOPS

Board Design

580W

TDP

30W

950 W

Suggested PSU

200 W

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

Outputs

1x HDMI 3x DisplayPort

4x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

DG1

Grenada PRO (215-0880030)

GPU Variant

-

GCN 2.0

Architecture

Generation 12.1

TSMC

Foundry

Intel

28 nm

Process Size

10 nm

6.2 billion

Transistors

Unknown

438 mm²

Die Size

95 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

6.3

Shader Model

6.4

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