GeForce RTX 2080 Max Q vs GeForce RTX 4080 Max Q
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 2080 Max Q 's Advantages
Larger VRAM bandwidth (384.0GB/s vs 336.0GB/s)
GeForce RTX 4080 Max Q 's Advantages
Released 4 years late
Boost Clock has increased by 23% (1350MHz vs 1095MHz)
More VRAM (12GB vs 8GB)
4480 additional rendering cores
Lower TDP (60W vs 80W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080 Max Q
6447
GeForce RTX 4080 Max Q
+210%
20040
Graphics Card
Jan 2019
Release Date
Jan 2023
GeForce 20 Mobile
Generation
GeForce 40 Mobile
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
735 MHz
Base Clock
795 MHz
1095 MHz
Boost Clock
1350 MHz
1500 MHz
Memory Clock
1750 MHz
Memory
8GB
Memory Size
12GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
192bit
384.0GB/s
Bandwidth
336.0GB/s
Render Config
46
SM Count
58
2944
Shading Units
7424
184
TMUs
232
64
ROPs
80
368
Tensor Cores
232
46
RT Cores
58
64 KB (per SM)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
48 MB
Theoretical Performance
70.08 GPixel/s
Pixel Rate
108.0 GPixel/s
201.5 GTexel/s
Texture Rate
313.2 GTexel/s
12.89 TFLOPS
FP16 (half)
20.04 TFLOPS
6.447 TFLOPS
FP32 (float)
20.04 TFLOPS
201.5 GFLOPS
FP64 (double)
313.2 GFLOPS
Board Design
80W
TDP
60W
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
TU104
GPU Name
AD104
N18E-G3-A1
GPU Variant
GN21-X9
Turing
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
12 nm
Process Size
4 nm
13.6 billion
Transistors
35.8 billion
545 mm²
Die Size
295 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
7.5
CUDA
8.9
6.6
Shader Model
6.7
