AMD Radeon RX 7800M vs AMD Radeon R9 M385

VS

AMD Radeon RX 7800M

AMD Radeon R9 M385

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 4GB VRAM Radeon R9 M385 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 9 years and 4 months late

Boost Clock has increased by 114% (2145MHz vs 1000MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (432GB/s vs 76.80GB/s)

2944 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7800M +1901%

35.87 TFLOPS

Radeon R9 M385

1.792 TFLOPS

Radeon RX 7800M

VS

Radeon R9 M385

Graphics Card

Sep 2024

Release Date

May 2015

Navi Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

900 MHz

2145 MHz

Boost Clock

1000 MHz

2250 MHz

Memory Clock

1200 MHz

Memory

12GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

432GB/s

Bandwidth

76.80GB/s

Render Config

60

Compute Units

14

-

3840

Shading Units

896

240

TMUs

56

96

ROPs

16

-

60

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

16.00 GPixel/s

560.4 GTexel/s

Texture Rate

56.00 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

1.792 TFLOPS

1121 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

180W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 32

GPU Name

Strato

Navi 32

GPU Variant

Strato XT

RDNA 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

2.08 billion

529 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5

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