GeForce RTX 3080 Ti Mobile vs GeForce GTX 680M
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Ti Mobile 's Advantages
Released 9 years and 7 months late
Boost Clock has increased by 66% (1260MHz vs 758MHz)
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (512.0GB/s vs 115.2GB/s)
6080 additional rendering cores
GeForce GTX 680M 's Advantages
Lower TDP (100W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti Mobile
+818%
18710
GeForce GTX 680M
2038
Blender
GeForce RTX 3080 Ti Mobile
+1871%
3726
GeForce GTX 680M
189
OctaneBench
GeForce RTX 3080 Ti Mobile
+738%
352
GeForce GTX 680M
42
Graphics Card
Jan 2022
Release Date
Jun 2012
GeForce 30 Mobile
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
810 MHz
Base Clock
719 MHz
1260 MHz
Boost Clock
758 MHz
2000 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
115.2GB/s
Render Config
58
SM Count
-
7424
Shading Units
1344
232
TMUs
112
96
ROPs
32
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
512 KB
Theoretical Performance
121.0 GPixel/s
Pixel Rate
21.22 GPixel/s
292.3 GTexel/s
Texture Rate
84.90 GTexel/s
18.71 TFLOPS
FP16 (half)
-
18.71 TFLOPS
FP32 (float)
2.038 TFLOPS
292.3 GFLOPS
FP64 (double)
84.90 GFLOPS
Board Design
115W
TDP
100W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GA103S
GPU Name
GK104
GN20-E8-A1
GPU Variant
N13E-GTX-A2
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
Unknown
Transistors
3.54 billion
496 mm²
Die Size
294 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.0
6.5
Shader Model
5.1
