AMD Radeon Pro 455 vs ATI Mobility Radeon HD 4670 Mac Edition

VS

AMD Radeon Pro 455 ATI Mobility Radeon HD 4670 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 256MB VRAM Mobility Radeon HD 4670 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 7 years and 1 months late

Larger VRAM bandwidth (81.28GB/s vs 25.28GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 455 +201%

1.313 TFLOPS

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon Pro 455

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

Oct 2016

Release Date

Sep 2009

Radeon Pro Mac

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1270 MHz

Memory Clock

790 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

25.28GB/s

Render Config

-

SM Count

-

12

Compute Units

4

768

Shading Units

320

48

TMUs

32

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

13.68 GPixel/s

Pixel Rate

5.440 GPixel/s

41.04 GTexel/s

Texture Rate

21.76 GTexel/s

1313 GFLOPS

FP16 (half)

-

1313 GFLOPS

FP32 (float)

435.2 GFLOPS

82.08 GFLOPS

FP64 (double)

-

Graphics Processor

Baffin

GPU Name

M96

Baffin PRO

GPU Variant

M96 XT (216-0729051)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

3 billion

Transistors

0.514 billion

123 mm²

Die Size

146 mm²

Board Design

35W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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

-

CUDA

-

6.4

Shader Model

4.1

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