AMD Radeon Pro 455 vs ATI Mobility Radeon HD 5870

VS

AMD Radeon Pro 455

ATI Mobility Radeon HD 5870

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 1024MB VRAM Mobility Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages

Released 6 years and 9 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.28GB/s vs 64.00GB/s)

Lower TDP (35W vs 50W)

ATI Mobility Radeon HD 5870 's Advantages

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 455 +17%

1.313 TFLOPS

Mobility Radeon HD 5870

1.12 TFLOPS

Radeon Pro 455

VS

Mobility Radeon HD 5870

Graphics Card

Oct 2016

Release Date

Jan 2010

Radeon Pro Mac

Generation

Manhattan

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1270 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

64.00GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

800

48

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

13.68 GPixel/s

Pixel Rate

11.20 GPixel/s

41.04 GTexel/s

Texture Rate

28.00 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

1120 GFLOPS

82.08 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

Broadway

Baffin PRO

GPU Variant

Broadway XT (216-0769008)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.04 billion

123 mm²

Die Size

166 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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