AMD Radeon RX 6800M vs NVIDIA RTX A4000 Max-Q

VS

AMD Radeon RX 6800M

NVIDIA RTX A4000 Max-Q

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 8GB VRAM RTX A4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Boost Clock has increased by 71% (2390MHz vs 1395MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (384.0GB/s vs 352.0GB/s)

NVIDIA RTX A4000 Max-Q 's Advantages

2560 additional rendering cores

Lower TDP (80W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M

12.24 TFLOPS

RTX A4000 Max Q +16%

14.28 TFLOPS

Radeon RX 6800M

VS

RTX A4000 Max Q

Graphics Card

May 2021

Release Date

Apr 2021

Mobility Radeon

Generation

Quadro Ampere-M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2116 MHz

Base Clock

780 MHz

2390 MHz

Boost Clock

1395 MHz

2000 MHz

Memory Clock

1375 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

352.0GB/s

Render Config

40

Compute Units

-

SM Count

40

2560

Shading Units

5120

160

TMUs

160

64

ROPs

80

-

Tensor Cores

160

40

RT Cores

40

128 KB per Array

L1 Cache

128 KB (per SM)

3 MB

L2 Cache

4 MB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

111.6 GPixel/s

382.4 GTexel/s

Texture Rate

223.2 GTexel/s

24.47 TFLOPS

FP16 (half)

14.28 TFLOPS

12.24 TFLOPS

FP32 (float)

14.28 TFLOPS

764.8 GFLOPS

FP64 (double)

223.2 GFLOPS

Board Design

145W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

GA104

Navi 22 XTM

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

17.2 billion

Transistors

17.4 billion

335 mm²

Die Size

392 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.7

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