NVIDIA GeForce GTX 680 vs NVIDIA GeForce RTX 3080 Ti Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Jan 2022
Generation
GeForce 600
GeForce 30 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1006 MHz
810 MHz
Boost Clock
1058 MHz
1260 MHz
Memory Clock
1502 MHz
2000 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
192.3GB/s
512.0GB/s
Render Config
Shading Units
1536
7424
TMUs
128
232
ROPs
32
96
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
—
58
Tensor Cores
—
232
RT Cores
—
58
Theoretical Performance
Pixel Rate
33.86 GPixel/s
121.0 GPixel/s
Texture Rate
135.4 GTexel/s
292.3 GTexel/s
FP32 (float)
3.250 TFLOPS
18.71 TFLOPS
FP64 (double)
135.4 GFLOPS
292.3 GFLOPS
FP16 (half)
—
18.71 TFLOPS
Graphics Processor
GPU Name
GK104
GA103S
GPU Variant
GK104-400-A2
GN20-E8-A1
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
3.54 billion
Unknown
Die Size
294 mm²
496 mm²
Board Design
TDP
195W
115W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.2.175
1.3
CUDA
3.0
8.6
Shader Model
6.5 (5.1)
6.5
Benchmark
3DMark Time Spy
—
12,905
3DMark Time Spy Extreme
—
6,164
▲ Specs Compare
Data sourced from official specifications and benchmark tests.