AMD Radeon Pro 555 vs AMD Radeon Pro 455

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555 's Advantages

Released 8 months late

Larger VRAM bandwidth (81.60GB/s vs 81.28GB/s)

AMD Radeon Pro 455 's Advantages

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555

1.306 TFLOPS

Radeon Pro 455

1.313 TFLOPS

Radeon Pro 555

VS

Radeon Pro 455

Graphics Card

Jun 2017

Release Date

Oct 2016

Radeon Pro Mac

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1275 MHz

Memory Clock

1270 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.60GB/s

Bandwidth

81.28GB/s

Render Config

-

SM Count

-

12

Compute Units

12

768

Shading Units

768

48

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

13.68 GPixel/s

40.80 GTexel/s

Texture Rate

41.04 GTexel/s

1306 GFLOPS

FP16 (half)

1313 GFLOPS

1306 GFLOPS

FP32 (float)

1313 GFLOPS

81.60 GFLOPS

FP64 (double)

82.08 GFLOPS

Graphics Processor

Polaris 21

GPU Name

Baffin

Polaris 21 PRO

GPU Variant

Baffin PRO

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

3 billion

Transistors

3 billion

123 mm²

Die Size

123 mm²

Board Design

75W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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