NVIDIA GeForce GTX 950 vs NVIDIA GeForce RTX 4080
GPU · Specs Compare
Graphics Card
Release Date
Aug 2015
Sep 2022
Generation
GeForce 900
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1024 MHz
2205 MHz
Boost Clock
1188 MHz
2505 MHz
Memory Clock
1653 MHz
1400 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6X
Memory Bus
128bit
256bit
Bandwidth
105.8GB/s
716.8GB/s
Render Config
Shading Units
768
9728
TMUs
48
304
ROPs
32
112
L1 Cache
48 KB (per SMM)
128 KB (per SM)
L2 Cache
1024 KB
64 MB
SM Count
—
76
Tensor Cores
—
304
RT Cores
—
76
Theoretical Performance
Pixel Rate
38.02 GPixel/s
280.6 GPixel/s
Texture Rate
57.02 GTexel/s
761.5 GTexel/s
FP32 (float)
1.825 TFLOPS
48.74 TFLOPS
FP64 (double)
57.02 GFLOPS
761.5 GFLOPS
FP16 (half)
—
48.74 TFLOPS
Graphics Processor
GPU Name
GM206
AD103
GPU Variant
GM206-250-A1
AD103-300-A1
Architecture
Maxwell 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.94 billion
45.9 billion
Die Size
228 mm²
379 mm²
Board Design
TDP
90W
320W
Suggested PSU
250 W
700 W
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 16-pin
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
5.2
8.9
Shader Model
6.4
6.7
Benchmark
3DMark Time Spy
1,903
28,173
3DMark Time Spy Extreme
396
14,002
▲ Specs Compare
Data sourced from official specifications and benchmark tests.