Home GPU Comparison AMD Radeon 620 Mobile vs NVIDIA GeForce GTX 1080 Max Q

AMD Radeon 620 Mobile vs NVIDIA GeForce GTX 1080 Max Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon 620 Mobile and 8GB VRAM GeForce GTX 1080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 620 Mobile 's Advantages
Released 1 years and 11 months late
Lower TDP (50W vs 150W)
NVIDIA GeForce GTX 1080 Max Q 's Advantages
Boost Clock has increased by 43% (1468MHz vs 1024MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (320.3GB/s vs 14.40GB/s)
2176 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon 620 Mobile
0.786 TFLOPS
GeForce GTX 1080 Max Q +856%
7.516 TFLOPS

Graphics Card

May 2019
Release Date
Jun 2017
Mobility Radeon
Generation
GeForce 10 Mobile
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

730 MHz
Base Clock
1290 MHz
1024 MHz
Boost Clock
1468 MHz
900 MHz
Memory Clock
1251 MHz

Memory

2GB
Memory Size
8GB
DDR3
Memory Type
GDDR5X
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
320.3GB/s

Render Config

6
Compute Units
-
-
SM Count
20
384
Shading Units
2560
24
TMUs
160
8
ROPs
64
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
48 KB (per SM)
128 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

8.192 GPixel/s
Pixel Rate
93.95 GPixel/s
24.58 GTexel/s
Texture Rate
234.9 GTexel/s
786.4 GFLOPS
FP16 (half)
117.4 GFLOPS
786.4 GFLOPS
FP32 (float)
7.516 TFLOPS
49.15 GFLOPS
FP64 (double)
234.9 GFLOPS

Board Design

50W
TDP
150W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

Polaris 24
GPU Name
GP104
Polaris 24 XL
GPU Variant
N17E-G3-A1
GCN 3.0
Architecture
Pascal
TSMC
Foundry
TSMC
28 nm
Process Size
16 nm
1.55 billion
Transistors
7.2 billion
125 mm²
Die Size
314 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
6.1
6.3
Shader Model
6.4
© 2025 - TopCPU.net