AMD Radeon Pro 455 vs AMD Radeon R7 A260

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 1024MB VRAM Radeon R7 A260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages

Released 2 years and 9 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (81.28GB/s vs 57.60GB/s)

384 additional rendering cores

AMD Radeon R7 A260 's Advantages

Boost Clock980MHz

Score

Benchmark

FP32 (float)

Radeon Pro 455 +74%

1.313 TFLOPS

Radeon R7 A260

0.752 TFLOPS

Radeon Pro 455

VS

Radeon R7 A260

Graphics Card

Oct 2016

Release Date

Jan 2014

Radeon Pro Mac

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

980 MHz

1270 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

-

12

Compute Units

6

768

Shading Units

384

48

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

13.68 GPixel/s

Pixel Rate

7.840 GPixel/s

41.04 GTexel/s

Texture Rate

23.52 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

752.6 GFLOPS

82.08 GFLOPS

FP64 (double)

-

Graphics Processor

Baffin

GPU Name

Topaz

Baffin PRO

GPU Variant

Topaz XT (216-0858020)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.55 billion

123 mm²

Die Size

125 mm²

Board Design

35W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5

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