AMD Radeon R9 M390 Mac Edition vs AMD Radeon RX 7800M

VS

AMD Radeon R9 M390 Mac Edition

AMD Radeon RX 7800M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 12GB VRAM Radeon RX 7800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M390 Mac Edition 's Advantages

Lower TDP (80W vs 180W)

AMD Radeon RX 7800M 's Advantages

Released 9 years and 4 months late

Boost Clock2145MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432GB/s vs 174.7GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition

1.962 TFLOPS

Radeon RX 7800M +1728%

35.87 TFLOPS

Radeon R9 M390 Mac Edition

VS

Radeon RX 7800M

Graphics Card

May 2015

Release Date

Sep 2024

Crystal System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2145 MHz

1365 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

174.7GB/s

Bandwidth

432GB/s

Render Config

16

Compute Units

60

-

1024

Shading Units

3840

64

TMUs

240

32

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

48 MB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

401.3 GPixel/s

61.31 GTexel/s

Texture Rate

560.4 GTexel/s

-

FP16 (half)

71.73 TFLOPS

1.962 TFLOPS

FP32 (float)

35.87 TFLOPS

122.6 GFLOPS

FP64 (double)

1121 GFLOPS

Board Design

80W

TDP

180W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Navi 32

Pitcairn PRO (215-0828062)

GPU Variant

Navi 32

GCN 1.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

28.1 billion

212 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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