NVIDIA GeForce GTX 675MX vs AMD Radeon RX 7800M

VS

NVIDIA GeForce GTX 675MX

AMD Radeon RX 7800M

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

Main Differences

NVIDIA GeForce GTX 675MX 's Advantages

Lower TDP (100W vs 180W)

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

Score

Benchmark

FP32 (float)

GeForce GTX 675MX

1.256 TFLOPS

Radeon RX 7800M +2755%

35.87 TFLOPS

GeForce GTX 675MX

VS

Radeon RX 7800M

Graphics Card

Oct 2012

Release Date

Sep 2024

GeForce 600M

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2145 MHz

900 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

115.2GB/s

Bandwidth

432GB/s

Render Config

-

Compute Units

60

-

960

Shading Units

3840

80

TMUs

240

32

ROPs

96

-

RT Cores

60

16 KB (per SMX)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

48 MB

Theoretical Performance

13.08 GPixel/s

Pixel Rate

401.3 GPixel/s

52.32 GTexel/s

Texture Rate

560.4 GTexel/s

-

FP16 (half)

71.73 TFLOPS

1256 GFLOPS

FP32 (float)

35.87 TFLOPS

52.32 GFLOPS

FP64 (double)

1121 GFLOPS

Board Design

100W

TDP

180W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

Navi 32

N13E-GSR-A2

GPU Variant

Navi 32

Kepler

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

3.54 billion

Transistors

28.1 billion

294 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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