AMD Radeon HD 7590M vs AMD Radeon Pro 455

VS

AMD Radeon HD 7590M

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7590M 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 HD 7590M 's Advantages

Lower TDP (18W vs 35W)

AMD Radeon Pro 455 's Advantages

Released 4 years and 9 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (81.28GB/s vs 25.60GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7590M

0.576 TFLOPS

Radeon Pro 455 +127%

1.313 TFLOPS

Radeon HD 7590M

VS

Radeon Pro 455

Graphics Card

Jan 2012

Release Date

Oct 2016

London

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

800 MHz

Memory Clock

1270 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

81.28GB/s

Render Config

6

Compute Units

12

-

480

Shading Units

768

24

TMUs

48

8

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

1024 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

13.68 GPixel/s

14.40 GTexel/s

Texture Rate

41.04 GTexel/s

-

FP16 (half)

1313 GFLOPS

576.0 GFLOPS

FP32 (float)

1313 GFLOPS

-

FP64 (double)

82.08 GFLOPS

Board Design

18W

TDP

35W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Thames

GPU Name

Baffin

Thames XT (216-0833000)

GPU Variant

Baffin PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

3 billion

104 mm²

Die Size

123 mm²

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

-

5.0

Shader Model

6.4

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