AMD Radeon RX 7900M vs AMD Radeon RX 7700S

VS

AMD Radeon RX 7900M

AMD Radeon RX 7700S

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 8GB VRAM Radeon RX 7700S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 9 months late

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 288.0GB/s)

2560 additional rendering cores

AMD Radeon RX 7700S 's Advantages

Boost Clock has increased by 20% (2500MHz vs 2090MHz)

Lower TDP (100W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +88%

38.52 TFLOPS

Radeon RX 7700S

20.48 TFLOPS

Blender

Radeon RX 7900M +115%

2583

Radeon RX 7700S

1198

Radeon RX 7900M

VS

Radeon RX 7700S

Graphics Card

Oct 2023

Release Date

Jan 2023

Navi Mobile

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

1500 MHz

2090 MHz

Boost Clock

2500 MHz

2250 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

288.0GB/s

Render Config

72

Compute Units

32

-

4608

Shading Units

2048

288

TMUs

128

192

ROPs

64

-

72

RT Cores

32

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

2 MB

64 MB

L3 Cache

32 MB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

160.0 GPixel/s

601.9 GTexel/s

Texture Rate

320.0 GTexel/s

77.05 TFLOPS

FP16 (half)

40.96 TFLOPS

38.52 TFLOPS

FP32 (float)

20.48 TFLOPS

1204 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

180W

TDP

100W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Navi 33

Navi 31

GPU Variant

Navi 33 XT

RDNA 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

6 nm

57.7 billion

Transistors

13.3 billion

529 mm²

Die Size

204 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.2

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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