AMD Radeon HD 6430M vs AMD Radeon Pro 455

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6430M and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages

Released 5 years and 9 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (81.28GB/s vs 12.80GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6430M

0.153 TFLOPS

Radeon Pro 455 +758%

1.313 TFLOPS

Radeon HD 6430M

VS

Radeon Pro 455

Graphics Card

Jan 2011

Release Date

Oct 2016

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1270 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

81.28GB/s

Render Config

-

SM Count

-

2

Compute Units

12

160

Shading Units

768

8

TMUs

48

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

Theoretical Performance

1.920 GPixel/s

Pixel Rate

13.68 GPixel/s

3.840 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

153.6 GFLOPS

FP32 (float)

1313 GFLOPS

-

FP64 (double)

82.08 GFLOPS

Graphics Processor

Seymour

GPU Name

Baffin

Seymour LP S3 (216-0809020)

GPU Variant

Baffin PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

3 billion

67 mm²

Die Size

123 mm²

Board Design

Unknown

TDP

35W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

6.4

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