AMD Radeon Pro 555 vs ATI Mobility Radeon HD 4670

VS

AMD Radeon Pro 555

ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555 's Advantages

Released 8 years and 5 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (81.60GB/s vs 25.60GB/s)

448 additional rendering cores

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555 +202%

1.306 TFLOPS

Mobility Radeon HD 4670

0.432 TFLOPS

Radeon Pro 555

VS

Mobility Radeon HD 4670

Graphics Card

Jun 2017

Release Date

Jan 2009

Radeon Pro Mac

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1275 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

81.60GB/s

Bandwidth

25.60GB/s

Render Config

12

Compute Units

4

-

768

Shading Units

320

48

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

5.400 GPixel/s

40.80 GTexel/s

Texture Rate

21.60 GTexel/s

1306 GFLOPS

FP16 (half)

-

1306 GFLOPS

FP32 (float)

432.0 GFLOPS

81.60 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

M96

Polaris 21 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

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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