AMD Radeon Pro 455 vs AMD Radeon HD 6750M Mac Edition

VS

AMD Radeon Pro 455

AMD Radeon HD 6750M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 512MB VRAM Radeon HD 6750M Mac Edition 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 6 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (81.28GB/s vs 50.82GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 455 +128%

1.313 TFLOPS

Radeon HD 6750M Mac Edition

0.574 TFLOPS

Radeon Pro 455

VS

Radeon HD 6750M Mac Edition

Graphics Card

Oct 2016

Release Date

Apr 2011

Radeon Pro Mac

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1270 MHz

Memory Clock

794 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

50.82GB/s

Render Config

12

Compute Units

6

-

768

Shading Units

480

48

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

13.68 GPixel/s

Pixel Rate

4.784 GPixel/s

41.04 GTexel/s

Texture Rate

14.35 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

574.1 GFLOPS

82.08 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

Whistler

Baffin PRO

GPU Variant

Whistler PRO (216-0810005)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.716 billion

123 mm²

Die Size

104 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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