AMD Radeon E9390 PCIe vs AMD Radeon E9171 MCM

VS

AMD Radeon E9390 PCIe

AMD Radeon E9171 MCM

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe and 4GB VRAM Radeon E9171 MCM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9390 PCIe 's Advantages

Released 2 years late

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (160.0GB/s vs 96.00GB/s)

1280 additional rendering cores

AMD Radeon E9171 MCM 's Advantages

Boost Clock has increased by 12% (1219MHz vs 1089MHz)

Lower TDP (40W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe +212%

3.903 TFLOPS

Radeon E9171 MCM

1.248 TFLOPS

Radeon E9390 PCIe

VS

Radeon E9171 MCM

Graphics Card

Oct 2019

Release Date

Oct 2017

Embedded

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

713 MHz

Base Clock

1124 MHz

1089 MHz

Boost Clock

1219 MHz

1250 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

96.00GB/s

Render Config

28

Compute Units

8

-

1792

Shading Units

512

112

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

34.85 GPixel/s

Pixel Rate

19.50 GPixel/s

122.0 GTexel/s

Texture Rate

39.01 GTexel/s

3.903 TFLOPS

FP16 (half)

1248 GFLOPS

3.903 TFLOPS

FP32 (float)

1248 GFLOPS

243.9 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

75W

TDP

40W

-

4x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Lexa

-

GPU Variant

Lexa MCM Pro

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

2.2 billion

232 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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