GeForce RTX 2080 Max Q vs GeForce 8400M GT
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q and 512MB VRAM GeForce 8400M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 2080 Max Q 's Advantages
Released 11 years and 8 months late
Boost Clock1095MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (384.0GB/s vs 19.20GB/s)
2928 additional rendering cores
GeForce 8400M GT 's Advantages
Lower TDP (14W vs 80W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080 Max Q
+22131%
6447
GeForce 8400M GT
29
Graphics Card
Jan 2019
Release Date
May 2007
GeForce 20 Mobile
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
735 MHz
Base Clock
-
1095 MHz
Boost Clock
-
1500 MHz
Memory Clock
600 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
256bit
Memory Bus
128bit
384.0GB/s
Bandwidth
19.20GB/s
Render Config
46
SM Count
2
2944
Shading Units
16
184
TMUs
8
64
ROPs
4
368
Tensor Cores
-
46
RT Cores
-
64 KB (per SM)
L1 Cache
-
4 MB
L2 Cache
32 KB
Theoretical Performance
70.08 GPixel/s
Pixel Rate
1.800 GPixel/s
201.5 GTexel/s
Texture Rate
3.600 GTexel/s
12.89 TFLOPS
FP16 (half)
-
6.447 TFLOPS
FP32 (float)
28.80 GFLOPS
201.5 GFLOPS
FP64 (double)
-
Board Design
80W
TDP
14W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
TU104
GPU Name
G86
N18E-G3-A1
GPU Variant
G86-603-A2
Turing
Architecture
Tesla
TSMC
Foundry
TSMC
12 nm
Process Size
80 nm
13.6 billion
Transistors
0.21 billion
545 mm²
Die Size
127 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
7.5
CUDA
1.1
6.6
Shader Model
4.0
