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

VS

NVIDIA RTX A4000 Max-Q

AMD Radeon RX 6800S

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

Main Differences

NVIDIA RTX A4000 Max-Q 's Advantages

Larger VRAM bandwidth (352.0GB/s vs 256.0GB/s)

3072 additional rendering cores

Lower TDP (80W vs 100W)

AMD Radeon RX 6800S 's Advantages

Released 9 months late

Boost Clock has increased by 51% (2100MHz vs 1395MHz)

Score

Benchmark

FP32 (float)

RTX A4000 Max Q +66%

14.28 TFLOPS

Radeon RX 6800S

8.602 TFLOPS

RTX A4000 Max Q

VS

Radeon RX 6800S

Graphics Card

Apr 2021

Release Date

Jan 2022

Quadro Ampere-M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

780 MHz

Base Clock

1800 MHz

1395 MHz

Boost Clock

2100 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

352.0GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

32

40

SM Count

-

5120

Shading Units

2048

160

TMUs

128

80

ROPs

64

160

Tensor Cores

-

40

RT Cores

32

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

111.6 GPixel/s

Pixel Rate

134.4 GPixel/s

223.2 GTexel/s

Texture Rate

268.8 GTexel/s

14.28 TFLOPS

FP16 (half)

17.20 TFLOPS

14.28 TFLOPS

FP32 (float)

8.602 TFLOPS

223.2 GFLOPS

FP64 (double)

537.6 GFLOPS

Board Design

80W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Navi 23

-

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

17.4 billion

Transistors

11.06 billion

392 mm²

Die Size

237 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

8.6

CUDA

-

6.7

Shader Model

6.5

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