AMD Radeon E9390 PCIe vs AMD Radeon RX 7900M

VS

AMD Radeon E9390 PCIe

AMD Radeon RX 7900M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9390 PCIe 's Advantages

Lower TDP (75W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 4 years late

Boost Clock has increased by 92% (2090MHz vs 1089MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 160.0GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe

3.903 TFLOPS

Radeon RX 7900M +886%

38.52 TFLOPS

Radeon E9390 PCIe

VS

Radeon RX 7900M

Graphics Card

Oct 2019

Release Date

Oct 2023

Embedded

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

713 MHz

Base Clock

1825 MHz

1089 MHz

Boost Clock

2090 MHz

1250 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

576.0GB/s

Render Config

28

Compute Units

72

-

1792

Shading Units

4608

112

TMUs

288

32

ROPs

192

-

RT Cores

72

16 KB (per CU)

L1 Cache

256 KB per Array

2 MB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

34.85 GPixel/s

Pixel Rate

401.3 GPixel/s

122.0 GTexel/s

Texture Rate

601.9 GTexel/s

3.903 TFLOPS

FP16 (half)

77.05 TFLOPS

3.903 TFLOPS

FP32 (float)

38.52 TFLOPS

243.9 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

75W

TDP

180W

-

4x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Navi 31

-

GPU Variant

Navi 31

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

5.7 billion

Transistors

57.7 billion

232 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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