AMD Radeon E9390 PCIe vs AMD Radeon HD 8790M

VS

AMD Radeon E9390 PCIe AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe and 2GB VRAM Radeon HD 8790M 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 21% (1089MHz vs 900MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe +464%

3.903 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

Radeon E9390 PCIe

VS

Radeon HD 8790M

Graphics Card

Oct 2019

Release Date

Apr 2013

Embedded

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

713 MHz

Base Clock

850 MHz

1089 MHz

Boost Clock

900 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

28

Compute Units

6

1792

Shading Units

384

112

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

34.85 GPixel/s

Pixel Rate

7.200 GPixel/s

122.0 GTexel/s

Texture Rate

21.60 GTexel/s

3.903 TFLOPS

FP16 (half)

-

3.903 TFLOPS

FP32 (float)

691.2 GFLOPS

243.9 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Mars

-

GPU Variant

Mars M2 XTX (216-0842036)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

0.95 billion

232 mm²

Die Size

77 mm²

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

4x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

None

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

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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