Home GPU Comparison NVIDIA GeForce GTX 1080 Max Q vs AMD Radeon Pro 555X

NVIDIA GeForce GTX 1080 Max Q vs AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 1080 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 GTX 1080 Max Q 's Advantages
Boost Clock1468MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (320.3GB/s vs 94.08GB/s)
1792 additional rendering cores
AMD Radeon Pro 555X 's Advantages
Released 1 years and 1 months late
Lower TDP (75W vs 150W)

Score

Benchmark

FP32 (float)
GeForce GTX 1080 Max Q +439%
7.516 TFLOPS
Radeon Pro 555X
1.393 TFLOPS
VS

Graphics Card

Jun 2017
Release Date
Jul 2018
GeForce 10 Mobile
Generation
Radeon Pro Mac
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

1290 MHz
Base Clock
-
1468 MHz
Boost Clock
-
1251 MHz
Memory Clock
1470 MHz

Memory

8GB
Memory Size
4GB
GDDR5X
Memory Type
GDDR5
256bit
Memory Bus
128bit
320.3GB/s
Bandwidth
94.08GB/s

Render Config

-
Compute Units
12
20
SM Count
-
2560
Shading Units
768
160
TMUs
48
64
ROPs
16
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

93.95 GPixel/s
Pixel Rate
14.51 GPixel/s
234.9 GTexel/s
Texture Rate
43.54 GTexel/s
117.4 GFLOPS
FP16 (half)
1393 GFLOPS
7.516 TFLOPS
FP32 (float)
1393 GFLOPS
234.9 GFLOPS
FP64 (double)
87.07 GFLOPS

Board Design

150W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

GP104
GPU Name
Polaris 21
N17E-G3-A1
GPU Variant
Polaris 21 PRO
Pascal
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
16 nm
Process Size
14 nm
7.2 billion
Transistors
3 billion
314 mm²
Die Size
123 mm²

Graphics Features

12 (12_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2
6.1
CUDA
-
6.4
Shader Model
6.4

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