AMD Radeon RX 7900 XT vs AMD Radeon RX 7900M

VS

AMD Radeon RX 7900 XT AMD Radeon RX 7900M

We compared a Desktop platform GPU: 20GB VRAM Radeon RX 7900 XT and a Mobile platform GPU: 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Boost Clock has increased by 15% (2394MHz vs 2090MHz)

More VRAM (20GB vs 16GB)

Larger VRAM bandwidth (800.0GB/s vs 576.0GB/s)

768 additional rendering cores

AMD Radeon RX 7900M 's Advantages

Released 11 months late

Lower TDP (180W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +33%

51.48 TFLOPS

Radeon RX 7900M

38.52 TFLOPS

Blender

Radeon RX 7900 XT +88%

4310

Radeon RX 7900M

2291

Radeon RX 7900 XT

VS

Radeon RX 7900M

Graphics Card

Nov 2022

Release Date

Oct 2023

Navi III

Generation

Navi Mobile

Desktop

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1387 MHz

Base Clock

1825 MHz

2394 MHz

Boost Clock

2090 MHz

2500 MHz

Memory Clock

2250 MHz

Memory

20GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

320bit

Memory Bus

256bit

800.0GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

84

Compute Units

72

5376

Shading Units

4608

336

TMUs

288

192

ROPs

192

-

Tensor Cores

-

84

RT Cores

72

256 KB per Array

L1 Cache

256 KB per Array

6 MB

L2 Cache

6 MB

Theoretical Performance

459.6 GPixel/s

Pixel Rate

401.3 GPixel/s

804.4 GTexel/s

Texture Rate

601.9 GTexel/s

103.0 TFLOPS

FP16 (half)

77.05 TFLOPS

51.48 TFLOPS

FP32 (float)

38.52 TFLOPS

1.609 TFLOPS

FP64 (double)

1204 GFLOPS

Graphics Processor

Navi 31

GPU Name

Navi 31

Navi 31 XT (215-145000156)

GPU Variant

Navi 31

RDNA 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

57.7 billion

Transistors

57.7 billion

529 mm²

Die Size

529 mm²

Board Design

300W

TDP

180W

700 W

Suggested PSU

-

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

Portable Device Dependent

2x 8-pin

Power Connectors

None

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

-

CUDA

-

6.7

Shader Model

6.7

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