AMD Radeon RX 7800M vs NVIDIA GeForce GTX 675MX

VS

AMD Radeon RX 7800M

NVIDIA GeForce GTX 675MX

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 2GB VRAM GeForce GTX 675MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 11 years and 11 months late

Boost Clock2145MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432GB/s vs 115.2GB/s)

2880 additional rendering cores

NVIDIA GeForce GTX 675MX 's Advantages

Lower TDP (100W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +2755%

35.87 TFLOPS

GeForce GTX 675MX

1.256 TFLOPS

Radeon RX 7800M

VS

GeForce GTX 675MX

Graphics Card

Sep 2024

Release Date

Oct 2012

Navi Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1825 MHz

Base Clock

-

2145 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432GB/s

Bandwidth

115.2GB/s

Render Config

60

Compute Units

-

3840

Shading Units

960

240

TMUs

80

96

ROPs

32

-

60

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

512 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

13.08 GPixel/s

560.4 GTexel/s

Texture Rate

52.32 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

1256 GFLOPS

1121 GFLOPS

FP64 (double)

52.32 GFLOPS

Board Design

180W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

GK104

Navi 32

GPU Variant

N13E-GSR-A2

RDNA 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

28.1 billion

Transistors

3.54 billion

529 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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