NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon RX 6800M

VS

NVIDIA GeForce RTX 4080 Mobile

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Mobile and 12GB VRAM Radeon RX 6800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Mobile 's Advantages

Released 1 years and 8 months late

Larger VRAM bandwidth (432.0GB/s vs 384.0GB/s)

4864 additional rendering cores

Lower TDP (110W vs 145W)

AMD Radeon RX 6800M 's Advantages

Boost Clock has increased by 44% (2390MHz vs 1665MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +101%

24.72 TFLOPS

Radeon RX 6800M

12.24 TFLOPS

3DMark Time Spy

GeForce RTX 4080 Mobile +68%

18927

Radeon RX 6800M

11245

Blender

GeForce RTX 4080 Mobile +273%

5849

Radeon RX 6800M

1568

Shadow of the Tomb Raider 2160p

GeForce RTX 4080 Mobile +90%

84

Radeon RX 6800M

44

Shadow of the Tomb Raider 1440p

GeForce RTX 4080 Mobile +92%

150

Radeon RX 6800M

78

Shadow of the Tomb Raider 1080p

GeForce RTX 4080 Mobile +79%

194

Radeon RX 6800M

108

GTA 5 2160p

GeForce RTX 4080 Mobile +66%

140

Radeon RX 6800M

84

GTA 5 1440p

GeForce RTX 4080 Mobile +66%

140

Radeon RX 6800M

84

GTA 5 1080p

GeForce RTX 4080 Mobile +28%

180

Radeon RX 6800M

140

GeForce RTX 4080 Mobile

VS

Radeon RX 6800M

Graphics Card

Jan 2023

Release Date

May 2021

GeForce 40 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1290 MHz

Base Clock

2116 MHz

1665 MHz

Boost Clock

2390 MHz

2250 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

192bit

432.0GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

40

58

SM Count

-

7424

Shading Units

2560

232

TMUs

160

80

ROPs

64

232

Tensor Cores

-

58

RT Cores

40

128 KB (per SM)

L1 Cache

128 KB per Array

48 MB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

133.2 GPixel/s

Pixel Rate

153.0 GPixel/s

386.3 GTexel/s

Texture Rate

382.4 GTexel/s

24.72 TFLOPS

FP16 (half)

24.47 TFLOPS

24.72 TFLOPS

FP32 (float)

12.24 TFLOPS

386.3 GFLOPS

FP64 (double)

764.8 GFLOPS

Board Design

110W

TDP

145W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

AD104

GPU Name

Navi 22

GN21-X9

GPU Variant

Navi 22 XTM

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

35.8 billion

Transistors

17.2 billion

295 mm²

Die Size

335 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.9

CUDA

-

6.7

Shader Model

6.5

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