AMD Radeon RX 7800M vs AMD Radeon RX 6800S

VS

AMD Radeon RX 7800M

AMD Radeon RX 6800S

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 8GB VRAM Radeon RX 6800S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 2% (2145MHz vs 2100MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (432GB/s vs 256.0GB/s)

1792 additional rendering cores

AMD Radeon RX 6800S 's Advantages

Lower TDP (100W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +316%

35.87 TFLOPS

Radeon RX 6800S

8.602 TFLOPS

Radeon RX 7800M

VS

Radeon RX 6800S

Graphics Card

Sep 2024

Release Date

Jan 2022

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1825 MHz

Base Clock

1800 MHz

2145 MHz

Boost Clock

2100 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

128bit

432GB/s

Bandwidth

256.0GB/s

Render Config

60

Compute Units

32

-

3840

Shading Units

2048

240

TMUs

128

96

ROPs

64

-

60

RT Cores

32

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

2 MB

48 MB

L3 Cache

32 MB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

134.4 GPixel/s

560.4 GTexel/s

Texture Rate

268.8 GTexel/s

71.73 TFLOPS

FP16 (half)

17.20 TFLOPS

35.87 TFLOPS

FP32 (float)

8.602 TFLOPS

1121 GFLOPS

FP64 (double)

537.6 GFLOPS

Board Design

180W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

Navi 23

Navi 32

GPU Variant

-

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

28.1 billion

Transistors

11.06 billion

529 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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