NVIDIA GeForce RTX 3090 Ti vs NVIDIA GeForce RTX 3080 Mobile 16 GB

GPU Specs Compare

Graphics Card

Release Date
Jan 2022
Jan 2021
Generation
GeForce 30
GeForce 30 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16

Clock Speeds

Base Clock
1560 MHz
1110 MHz
Boost Clock
1860 MHz
1545 MHz
Memory Clock
1313 MHz
1750 MHz

Memory

Memory Size
24GB
16GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
256bit
Bandwidth
1.01TB/s
448.0GB/s

Render Config

SM Count
84
48
Shading Units
10752
6144
TMUs
336
192
ROPs
112
96
Tensor Cores
336
192
RT Cores
84
48
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
6 MB
4 MB

Theoretical Performance

Pixel Rate
208.3 GPixel/s
148.3 GPixel/s
Texture Rate
625.0 GTexel/s
296.6 GTexel/s
FP16 (half)
40.00 TFLOPS
18.98 TFLOPS
FP32 (float)
40.00 TFLOPS
18.98 TFLOPS
FP64 (double)
625.0 GFLOPS
296.6 GFLOPS

Graphics Processor

GPU Name
GA102
GA104
GPU Variant
GA102-350-A1
GA104-775-A1
Architecture
Ampere
Ampere
Foundry
Samsung
Samsung
Process Size
8 nm
8 nm
Transistors
28.3 billion
17.4 billion
Die Size
628 mm²
392 mm²

Board Design

TDP
450W
115W
Suggested PSU
850 W
-
Outputs
1x HDMI 2.13x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 16-pin
None

Graphics Features

DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
8.6
8.6
Shader Model
6.8
6.8

📊 Benchmark

3DMark Time Spy
21,832
-
3DMark Time Spy Extreme
11,318
-
3DMark Speed Way
5,903
-
Blender
6,217
-