AMD Radeon RX 6800M vs NVIDIA GeForce GTX 675MX

VS

AMD Radeon RX 6800M

NVIDIA GeForce GTX 675MX

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M 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 6800M 's Advantages

Released 8 years and 7 months late

Boost Clock2390MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 115.2GB/s)

1600 additional rendering cores

NVIDIA GeForce GTX 675MX 's Advantages

Lower TDP (100W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M +874%

12.24 TFLOPS

GeForce GTX 675MX

1.256 TFLOPS

Radeon RX 6800M

VS

GeForce GTX 675MX

Graphics Card

May 2021

Release Date

Oct 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

2116 MHz

Base Clock

-

2390 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

115.2GB/s

Render Config

40

Compute Units

-

2560

Shading Units

960

160

TMUs

80

64

ROPs

32

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

512 KB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

13.08 GPixel/s

382.4 GTexel/s

Texture Rate

52.32 GTexel/s

24.47 TFLOPS

FP16 (half)

-

12.24 TFLOPS

FP32 (float)

1256 GFLOPS

764.8 GFLOPS

FP64 (double)

52.32 GFLOPS

Board Design

145W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

GK104

Navi 22 XTM

GPU Variant

N13E-GSR-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

3.54 billion

335 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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