Intel Xe DG1 vs AMD Radeon R9 255 OEM

VS

Intel Xe DG1

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 4GB VRAM Xe DG1 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Xe DG1 's Advantages

Boost Clock has increased by 67% (1550MHz vs 930MHz)

More VRAM (4GB vs 2GB)

128 additional rendering cores

Lower TDP (30W vs 65W)

AMD Radeon R9 255 OEM 's Advantages

Larger VRAM bandwidth (73.60GB/s vs 68.26GB/s)

Score

Benchmark

FP32 (float)

Xe DG1 +108%

1.984 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Xe DG1

VS

Radeon R9 255 OEM

Graphics Card

Unknown

Release Date

Dec 2013

Xe Graphics

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

900 MHz

1550 MHz

Boost Clock

930 MHz

2133 MHz

Memory Clock

1150 MHz

Memory

4GB

Memory Size

2GB

LPDDR4X

Memory Type

GDDR5

128bit

Memory Bus

128bit

68.26GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

-

640

Shading Units

512

40

TMUs

32

20

ROPs

16

-

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

31.00 GPixel/s

Pixel Rate

14.88 GPixel/s

62.00 GTexel/s

Texture Rate

29.76 GTexel/s

3.968 TFLOPS

FP16 (half)

-

1.984 TFLOPS

FP32 (float)

952.3 GFLOPS

496.0 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

30W

TDP

65W

200 W

Suggested PSU

250 W

1x HDMI 3x DisplayPort

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

DG1

GPU Name

Cape Verde

-

GPU Variant

Cape Verde PRX

Generation 12.1

Architecture

GCN 1.0

Intel

Foundry

TSMC

10 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

95 mm²

Die Size

123 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

-

6.4

Shader Model

5.1

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