AMD Radeon HD 6490M Mac Edition vs AMD Radeon E9390 PCIe

VS

AMD Radeon HD 6490M Mac Edition

AMD Radeon E9390 PCIe

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 8GB VRAM Radeon E9390 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9390 PCIe 's Advantages

Released 8 years and 5 months late

Boost Clock1089MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 25.41GB/s)

1632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon E9390 PCIe +1526%

3.903 TFLOPS

Radeon HD 6490M Mac Edition

VS

Radeon E9390 PCIe

Graphics Card

May 2011

Release Date

Oct 2019

Vancouver

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

713 MHz

-

Boost Clock

1089 MHz

794 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.41GB/s

Bandwidth

160.0GB/s

Render Config

2

Compute Units

28

-

160

Shading Units

1792

8

TMUs

112

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

34.85 GPixel/s

6.000 GTexel/s

Texture Rate

122.0 GTexel/s

-

FP16 (half)

3.903 TFLOPS

240.0 GFLOPS

FP32 (float)

3.903 TFLOPS

-

FP64 (double)

243.9 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

4x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Ellesmere

Seymour XTX M2 (216-0809000)

GPU Variant

-

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

5.7 billion

67 mm²

Die Size

232 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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