AMD Radeon R9 255 OEM vs Intel H3C XG310

VS

AMD Radeon R9 255 OEM

Intel H3C XG310

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 8GB VRAM H3C XG310 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 300W)

Intel H3C XG310 's Advantages

Released 6 years and 11 months late

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

More VRAM (8GB vs 2GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

H3C XG310 +150%

2.381 TFLOPS

Radeon R9 255 OEM

VS

H3C XG310

Graphics Card

Dec 2013

Release Date

Nov 2020

Volcanic Islands

Generation

H3C Graphics

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

900 MHz

930 MHz

Boost Clock

1550 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

37.20 GPixel/s

29.76 GTexel/s

Texture Rate

74.40 GTexel/s

-

FP16 (half)

4.762 TFLOPS

952.3 GFLOPS

FP32 (float)

2.381 TFLOPS

59.52 GFLOPS

FP64 (double)

595.2 GFLOPS

Board Design

65W

TDP

300W

250 W

Suggested PSU

700 W

No outputs

Outputs

No outputs

1x 6-pin

Power Connectors

1x 8-pin

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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