AMD Radeon Pro 555 vs AMD Radeon HD 7490M

VS

AMD Radeon Pro 555

AMD Radeon HD 7490M

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 555 and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555 's Advantages

Released 5 years and 5 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.60GB/s vs 30.40GB/s)

608 additional rendering cores

AMD Radeon HD 7490M 's Advantages

Lower TDP (9W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555 +410%

1.306 TFLOPS

Radeon HD 7490M

0.256 TFLOPS

Radeon Pro 555

VS

Radeon HD 7490M

Graphics Card

Jun 2017

Release Date

Jan 2012

Radeon Pro Mac

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1275 MHz

Memory Clock

950 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

81.60GB/s

Bandwidth

30.40GB/s

Render Config

12

Compute Units

2

-

768

Shading Units

160

48

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

3.200 GPixel/s

40.80 GTexel/s

Texture Rate

6.400 GTexel/s

1306 GFLOPS

FP16 (half)

-

1306 GFLOPS

FP32 (float)

256.0 GFLOPS

81.60 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

9W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

Seymour

Polaris 21 PRO

GPU Variant

Seymour XTX (216-0810005)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.37 billion

123 mm²

Die Size

67 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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