GeForce RTX 4090 Max Q vs GeForce 305M
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 512MB VRAM GeForce 305M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 Max Q Advantages
Released 13 years late
Boost Clock1455MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (448.0GB/s vs 11.20GB/s)
9712 additional rendering cores
GeForce 305M Advantages
Lower TDP (14W vs 80W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Max Q
+76413%
28310
GeForce 305M
37
Graphics Card
Jan 2023
Release Date
Jan 2010
GeForce 40 Mobile
Generation
GeForce 300M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
930 MHz
Base Clock
-
1455 MHz
Boost Clock
-
1750 MHz
Memory Clock
700 MHz
Memory
16GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
256bit
Memory Bus
64bit
448.0GB/s
Bandwidth
11.20GB/s
Render Config
76
SM Count
2
9728
Shading Units
16
304
TMUs
8
112
ROPs
4
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
-
64 MB
L2 Cache
32 KB
Theoretical Performance
163.0 GPixel/s
Pixel Rate
2.100 GPixel/s
442.3 GTexel/s
Texture Rate
4.200 GTexel/s
28.31 TFLOPS
FP16 (half)
-
28.31 TFLOPS
FP32 (float)
36.80 GFLOPS
442.3 GFLOPS
FP64 (double)
-
Board Design
80W
TDP
14W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
AD103
GPU Name
GT218
GN21-X11
GPU Variant
N11M-LP1
Ada Lovelace
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
4 nm
Process Size
40 nm
45.9 billion
Transistors
0.26 billion
379 mm²
Die Size
57 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.9
CUDA
1.2
6.7
Shader Model
4.1
