AMD Radeon Pro 455 vs AMD Radeon E9173 PCIe

VS

AMD Radeon Pro 455

AMD Radeon E9173 PCIe

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 2GB VRAM Radeon E9173 PCIe 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 48.00GB/s)

256 additional rendering cores

AMD Radeon E9173 PCIe 's Advantages

Released 1 years late

Boost Clock1219MHz

Score

Benchmark

FP32 (float)

Radeon Pro 455 +5%

1.313 TFLOPS

Radeon E9173 PCIe

1.248 TFLOPS

Radeon Pro 455

VS

Radeon E9173 PCIe

Graphics Card

Oct 2016

Release Date

Oct 2017

Radeon Pro Mac

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1219 MHz

1270 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

81.28GB/s

Bandwidth

48.00GB/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

256 KB

-

Theoretical Performance

13.68 GPixel/s

Pixel Rate

19.50 GPixel/s

41.04 GTexel/s

Texture Rate

39.01 GTexel/s

1313 GFLOPS

FP16 (half)

1248 GFLOPS

1313 GFLOPS

FP32 (float)

1248 GFLOPS

82.08 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

35W

TDP

35W

-

No outputs

Outputs

1x DisplayPort 1.4a 2x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Baffin

GPU Name

Lexa

Baffin PRO

GPU Variant

E9170

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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