NVIDIA GeForce RTX 3080 vs NVIDIA GeForce GTX 650 Ti
GPU · Specs Compare
Graphics Card
Release Date
Sep 2020
Oct 2012
Generation
GeForce 30
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1440 MHz
—
Boost Clock
1710 MHz
—
Memory Clock
1188 MHz
1350 MHz
Memory
Memory Size
10GB
1024MB
Memory Type
GDDR6X
GDDR5
Memory Bus
320bit
128bit
Bandwidth
760.3GB/s
86.40GB/s
Render Config
SM Count
68
—
Shading Units
8704
768
TMUs
272
64
ROPs
96
16
Tensor Cores
272
—
RT Cores
68
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
5 MB
256 KB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
14.85 GPixel/s
Texture Rate
465.1 GTexel/s
59.39 GTexel/s
FP16 (half)
29.77 TFLOPS
—
FP32 (float)
29.77 TFLOPS
1425 GFLOPS
FP64 (double)
465.1 GFLOPS
59.39 GFLOPS
Graphics Processor
GPU Name
GA102
GK106
GPU Variant
GA102-200-KD-A1
GK106-220-A1
Architecture
Ampere
Kepler
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
2.54 billion
Die Size
628 mm²
221 mm²
Board Design
TDP
320W
110W
Suggested PSU
700 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x mini-HDMI 1.4a
Power Connectors
1x 12-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
8.6
3.0
Shader Model
6.6
5.1
Benchmark
3DMark Time Spy
17,662
—
3DMark Time Spy Extreme
8,879
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.