Home GPU Comparison NVIDIA GeForce RTX 4080 Max-Q vs NVIDIA GeForce GTX 850A

NVIDIA GeForce RTX 4080 Max-Q vs NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Max Q and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages
Released 8 years and 10 months late
Boost Clock has increased by 44% (1350MHz vs 936MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (336.0GB/s vs 28.80GB/s)
6784 additional rendering cores
NVIDIA GeForce GTX 850A 's Advantages
Lower TDP (45W vs 60W)

Score

Benchmark

FP32 (float)
GeForce RTX 4080 Max Q +1572%
20.04 TFLOPS
GeForce GTX 850A
1.198 TFLOPS
VS

Graphics Card

Jan 2023
Release Date
Mar 2014
GeForce 40 Mobile
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

795 MHz
Base Clock
902 MHz
1350 MHz
Boost Clock
936 MHz
1750 MHz
Memory Clock
900 MHz

Memory

12GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
192bit
Memory Bus
128bit
336.0GB/s
Bandwidth
28.80GB/s

Render Config

58
SM Count
-
-
Compute Units
-
7424
Shading Units
640
232
TMUs
40
80
ROPs
16
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
48 MB
L2 Cache
2 MB

Theoretical Performance

108.0 GPixel/s
Pixel Rate
14.98 GPixel/s
313.2 GTexel/s
Texture Rate
37.44 GTexel/s
20.04 TFLOPS
FP16 (half)
-
20.04 TFLOPS
FP32 (float)
1198 GFLOPS
313.2 GFLOPS
FP64 (double)
37.44 GFLOPS

Graphics Processor

AD104
GPU Name
GM107
GN21-X9
GPU Variant
N15P-GT-A1
Ada Lovelace
Architecture
Maxwell
TSMC
Foundry
TSMC
4 nm
Process Size
28 nm
35.8 billion
Transistors
1.87 billion
295 mm²
Die Size
148 mm²

Board Design

60W
TDP
45W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.9
CUDA
5.0
6.7
Shader Model
5.1

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