AMD Radeon E9390 PCIe vs AMD Radeon HD 8870M

VS

AMD Radeon E9390 PCIe

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe and 2GB VRAM Radeon HD 8870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9390 PCIe 's Advantages

Released 6 years and 6 months late

Boost Clock has increased by 41% (1089MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe +293%

3.903 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

Radeon E9390 PCIe

VS

Radeon HD 8870M

Graphics Card

Oct 2019

Release Date

Apr 2013

Embedded

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

713 MHz

Base Clock

725 MHz

1089 MHz

Boost Clock

775 MHz

1250 MHz

Memory Clock

1125 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

72.00GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

640

112

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.85 GPixel/s

Pixel Rate

12.40 GPixel/s

122.0 GTexel/s

Texture Rate

31.00 GTexel/s

3.903 TFLOPS

FP16 (half)

-

3.903 TFLOPS

FP32 (float)

992.0 GFLOPS

243.9 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

75W

TDP

Unknown

-

4x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Venus

-

GPU Variant

Venus XT (216-0846000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.5 billion

232 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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