NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce GTX 950
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Aug 2015
Generation
Navi IV
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1700 MHz
1024 MHz
Boost Clock
3130 MHz
1188 MHz
Memory Clock
2518 MHz
1653 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
128bit
Bandwidth
322.3GB/s
105.8GB/s
Render Config
SM Count
80
-
Compute Units
32
-
Shading Units
2048
768
TMUs
128
48
ROPs
64
32
Tensor Cores
320
-
RT Cores
32
-
L1 Cache
128 KB (per SM)
48 KB (per SMM)
L2 Cache
4 MB
1024 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
200.3 GPixel/s
38.02 GPixel/s
Texture Rate
400.6 GTexel/s
57.02 GTexel/s
FP16 (half)
51.28 TFLOPS
-
FP32 (float)
25.64 TFLOPS
1.825 TFLOPS
FP64 (double)
801.3 GFLOPS
57.02 GFLOPS
Graphics Processor
GPU Name
Navi 44
GM206
GPU Variant
Navi 44 XT(215-176400102)
GM206-250-A1
Architecture
RDNA 4.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
29.7 billion
2.94 billion
Die Size
199 mm²
228 mm²
Board Design
TDP
150W
90W
Suggested PSU
450 W
250 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.3
CUDA
8.6
5.2
Shader Model
6.8
6.4
📊 Benchmark
Blender
5,956
-
3DMark Time Spy
-
1,903
3DMark Time Spy Extreme
-
396