AMD Radeon R9 255 OEM vs Intel Xe DG1

VS

AMD Radeon R9 255 OEM

Intel Xe DG1

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM 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 255 OEM 's Advantages

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

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)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

Xe DG1 +108%

1.984 TFLOPS

Radeon R9 255 OEM

VS

Xe DG1

Graphics Card

Dec 2013

Release Date

Unknown

Volcanic Islands

Generation

Xe Graphics

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

900 MHz

Base Clock

900 MHz

930 MHz

Boost Clock

1550 MHz

1150 MHz

Memory Clock

2133 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

LPDDR4X

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

68.26GB/s

Render Config

8

Compute Units

-

512

Shading Units

640

32

TMUs

40

16

ROPs

20

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

14.88 GPixel/s

Pixel Rate

31.00 GPixel/s

29.76 GTexel/s

Texture Rate

62.00 GTexel/s

-

FP16 (half)

3.968 TFLOPS

952.3 GFLOPS

FP32 (float)

1.984 TFLOPS

59.52 GFLOPS

FP64 (double)

496.0 GFLOPS

Board Design

65W

TDP

30W

250 W

Suggested PSU

200 W

No outputs

Outputs

1x HDMI 3x DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

DG1

Cape Verde PRX

GPU Variant

-

GCN 1.0

Architecture

Generation 12.1

TSMC

Foundry

Intel

28 nm

Process Size

10 nm

1.5 billion

Transistors

Unknown

123 mm²

Die Size

95 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

5.1

Shader Model

6.4

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