ATI Mobility Radeon HD 5870 vs AMD Radeon Pro 455

VS

ATI Mobility Radeon HD 5870

AMD Radeon Pro 455

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

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

32 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870

1.12 TFLOPS

Radeon Pro 455 +17%

1.313 TFLOPS

Mobility Radeon HD 5870

VS

Radeon Pro 455

Graphics Card

Jan 2010

Release Date

Oct 2016

Manhattan

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1000 MHz

Memory Clock

1270 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

81.28GB/s

Render Config

10

Compute Units

12

-

800

Shading Units

768

40

TMUs

48

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

13.68 GPixel/s

28.00 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

1120 GFLOPS

FP32 (float)

1313 GFLOPS

-

FP64 (double)

82.08 GFLOPS

Board Design

50W

TDP

35W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Broadway

GPU Name

Baffin

Broadway XT (216-0769008)

GPU Variant

Baffin PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

3 billion

166 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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