AMD Radeon R9 255 OEM vs Intel Xe DG1 SDV

VS

AMD Radeon R9 255 OEM

Intel Xe DG1 SDV

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 8GB VRAM Xe DG1 SDV 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)

Lower TDP (65W vs 75W)

Intel Xe DG1 SDV 's Advantages

Boost Clock has increased by 61% (1500MHz vs 930MHz)

More VRAM (8GB vs 2GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

Xe DG1 SDV +142%

2.304 TFLOPS

Radeon R9 255 OEM

VS

Xe DG1 SDV

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

1500 MHz

1150 MHz

Memory Clock

2133 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

LPDDR4X

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

68.26GB/s

Render Config

8

Compute Units

-

512

Shading Units

768

32

TMUs

48

16

ROPs

24

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

14.88 GPixel/s

Pixel Rate

36.00 GPixel/s

29.76 GTexel/s

Texture Rate

72.00 GTexel/s

-

FP16 (half)

4.608 TFLOPS

952.3 GFLOPS

FP32 (float)

2.304 TFLOPS

59.52 GFLOPS

FP64 (double)

576.0 GFLOPS

Board Design

65W

TDP

75W

250 W

Suggested PSU

250 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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