NVIDIA GeForce RTX 5080 Mobile vs NVIDIA GeForce GTX 950
GPU Specs Compare
Graphics Card
Release Date
Apr 2025
Aug 2015
Generation
GeForce 50 Mobile
GeForce 900
Type
Mobile
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
975 MHz
1024 MHz
Boost Clock
1500 MHz
1188 MHz
Memory Clock
1750 MHz
1653 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
128bit
Bandwidth
896.0GB/s
105.8GB/s
Render Config
SM Count
60
-
Shading Units
7680
768
TMUs
240
48
ROPs
96
32
Tensor Cores
240
-
RT Cores
60
-
L1 Cache
128 KB (per SM)
48 KB (per SMM)
L2 Cache
64 MB
1024 KB
Theoretical Performance
Pixel Rate
144.0 GPixel/s
38.02 GPixel/s
Texture Rate
360.0 GTexel/s
57.02 GTexel/s
FP16 (half)
23.04 TFLOPS
-
FP32 (float)
23.04 TFLOPS
1.825 TFLOPS
FP64 (double)
360.0 GFLOPS
57.02 GFLOPS
Graphics Processor
GPU Name
GB203
GM206
Architecture
Blackwell 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.94 billion
Die Size
378 mm²
228 mm²
GPU Variant
-
GM206-250-A1
Board Design
TDP
80W
90W
Suggested PSU
550 W
250 W
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
12.0
5.2
Shader Model
6.8
6.4
📊 Benchmark
3DMark Time Spy
-
1,903
3DMark Time Spy Extreme
-
396