NVIDIA GeForce GT 820M vs NVIDIA GeForce RTX 3080 Ti Max Q
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 16GB VRAM GeForce RTX 3080 Ti Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Lower TDP (15W vs 80W)
NVIDIA GeForce RTX 3080 Ti Max Q 's Advantages
Released 8 years and 2 months late
Boost Clock1125MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (384.0GB/s vs 14.40GB/s)
7328 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
GeForce RTX 3080 Ti Max Q
+5504%
16.7 TFLOPS
Graphics Card
Nov 2013
Release Date
Jan 2022
GeForce 800M
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
585 MHz
-
Boost Clock
1125 MHz
900 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
16GB
DDR3
Memory Type
GDDR6
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
384.0GB/s
Render Config
-
-
-
2
SM Count
58
96
Shading Units
7424
16
TMUs
232
8
ROPs
96
-
Tensor Cores
232
-
RT Cores
58
64 KB (per SM)
L1 Cache
128 KB (per SM)
128 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
108.0 GPixel/s
12.40 GTexel/s
Texture Rate
261.0 GTexel/s
-
FP16 (half)
16.70 TFLOPS
297.6 GFLOPS
FP32 (float)
16.70 TFLOPS
24.80 GFLOPS
FP64 (double)
261.0 GFLOPS
Board Design
15W
TDP
80W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GF117
GPU Name
GA103S
N15V-GM
GPU Variant
GN20-E8-A1
Fermi 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
0.585 billion
Transistors
Unknown
116 mm²
Die Size
496 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
2.1
CUDA
8.6
5.1
Shader Model
6.5
