AMD Radeon Pro 455 vs AMD Radeon 540X Mobile

VS

AMD Radeon Pro 455

AMD Radeon 540X Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 2GB VRAM Radeon 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages

Larger VRAM bandwidth (81.28GB/s vs 32.00GB/s)

256 additional rendering cores

Lower TDP (35W vs 50W)

AMD Radeon 540X Mobile 's Advantages

Released 2 years and 4 months late

Boost Clock1095MHz

Score

Benchmark

FP32 (float)

Radeon Pro 455 +17%

1.313 TFLOPS

Radeon 540X Mobile

1.121 TFLOPS

Radeon Pro 455

VS

Radeon 540X Mobile

Graphics Card

Oct 2016

Release Date

Feb 2019

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1095 MHz

1270 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

81.28GB/s

Bandwidth

32.00GB/s

Render Config

12

Compute Units

8

-

768

Shading Units

512

48

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

13.68 GPixel/s

Pixel Rate

17.52 GPixel/s

41.04 GTexel/s

Texture Rate

35.04 GTexel/s

1313 GFLOPS

FP16 (half)

1121 GFLOPS

1313 GFLOPS

FP32 (float)

1121 GFLOPS

82.08 GFLOPS

FP64 (double)

70.08 GFLOPS

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Baffin

GPU Name

Lexa

Baffin PRO

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

3 billion

Transistors

2.2 billion

123 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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