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GPU Comparison
NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon R5 M445
NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon R5 M445
VS
NVIDIA GeForce RTX 3080 Mobile
AMD Radeon R5 M445
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 4GB VRAM Radeon R5 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 Mobile 's Advantages
Released 5 years late
Boost Clock1545MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (448.0GB/s vs 32.00GB/s)
5760 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Mobile
+2588%
18.98 TFLOPS
Radeon R5 M445
0.706 TFLOPS
GeForce RTX 3080 Mobile
VS
Radeon R5 M445
Graphics Card
Jan 2021
Release Date
Jan 2016
GeForce 30 Mobile
Generation
Gem System
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1110 MHz
Base Clock
-
1545 MHz
Boost Clock
-
1750 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
64bit
448.0GB/s
Bandwidth
32.00GB/s
Render Config
48
SM Count
-
-
Compute Units
6
6144
Shading Units
384
192
TMUs
24
96
ROPs
8
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
128 KB
Theoretical Performance
148.3 GPixel/s
Pixel Rate
7.360 GPixel/s
296.6 GTexel/s
Texture Rate
22.08 GTexel/s
18.98 TFLOPS
FP16 (half)
-
18.98 TFLOPS
FP32 (float)
706.6 GFLOPS
296.6 GFLOPS
FP64 (double)
-
Graphics Processor
GA104
GPU Name
Meso
GA104-775-A1
GPU Variant
Meso XT (216-0864018)
Ampere
Architecture
GCN 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
1.55 billion
392 mm²
Die Size
125 mm²
Board Design
115W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2.170
8.6
CUDA
-
6.6
Shader Model
6.5
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