AMD Radeon Pro 455 vs ATI Mobility Radeon HD 4830

VS

AMD Radeon Pro 455

ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages

Released 7 years and 7 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.28GB/s vs 25.60GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 455 +105%

1.313 TFLOPS

Mobility Radeon HD 4830

0.64 TFLOPS

Radeon Pro 455

VS

Mobility Radeon HD 4830

Graphics Card

Oct 2016

Release Date

Mar 2009

Radeon Pro Mac

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1270 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

25.60GB/s

Render Config

12

Compute Units

8

-

768

Shading Units

640

48

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

13.68 GPixel/s

Pixel Rate

8.000 GPixel/s

41.04 GTexel/s

Texture Rate

16.00 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

640.0 GFLOPS

82.08 GFLOPS

FP64 (double)

128.0 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

M97

Baffin PRO

GPU Variant

M97 M2 (216-0731004)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.826 billion

123 mm²

Die Size

137 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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