NVIDIA GeForce RTX 2080 Max Q vs AMD Radeon Pro 555X

VS

NVIDIA GeForce RTX 2080 Max Q

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Max Q 's Advantages

Released 6 months late

Boost Clock1095MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 94.08GB/s)

2176 additional rendering cores

AMD Radeon Pro 555X 's Advantages

Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Max Q +362%

6.447 TFLOPS

Radeon Pro 555X

1.393 TFLOPS

GeForce RTX 2080 Max Q

VS

Radeon Pro 555X

Graphics Card

Jan 2019

Release Date

Jul 2018

GeForce 20 Mobile

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

735 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1500 MHz

Memory Clock

1470 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

384.0GB/s

Bandwidth

94.08GB/s

Render Config

-

Compute Units

12

46

SM Count

-

2944

Shading Units

768

184

TMUs

48

64

ROPs

16

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

70.08 GPixel/s

Pixel Rate

14.51 GPixel/s

201.5 GTexel/s

Texture Rate

43.54 GTexel/s

12.89 TFLOPS

FP16 (half)

1393 GFLOPS

6.447 TFLOPS

FP32 (float)

1393 GFLOPS

201.5 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

80W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

TU104

GPU Name

Polaris 21

N18E-G3-A1

GPU Variant

Polaris 21 PRO

Turing

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

12 nm

Process Size

14 nm

13.6 billion

Transistors

3 billion

545 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

7.5

CUDA

-

6.6

Shader Model

6.4

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