NVIDIA GeForce GTX 580 vs NVIDIA GeForce GTX 950 OEM
GPU Specs Compare
Graphics Card
Release Date
Nov 2010
Jan 2016
Generation
GeForce 500
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1002 MHz
1253 MHz
Base Clock
-
937 MHz
Boost Clock
-
1203 MHz
Memory
Memory Size
1536MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
192.4GB/s
80.19GB/s
Render Config
SM Count
16
-
Shading Units
512
1024
TMUs
64
64
ROPs
48
32
L1 Cache
64 KB (per SM)
48 KB (per SMM)
L2 Cache
768 KB
1024 KB
Theoretical Performance
Pixel Rate
24.70 GPixel/s
38.50 GPixel/s
Texture Rate
49.41 GTexel/s
76.99 GTexel/s
FP32 (float)
1.581 TFLOPS
2.464 TFLOPS
FP64 (double)
197.6 GFLOPS
76.99 GFLOPS
Graphics Processor
GPU Name
GF110
GM206S
GPU Variant
GF110-375-A1
950 OEM
Architecture
Fermi 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
3 billion
2.94 billion
Die Size
520 mm²
228 mm²
Board Design
TDP
244W
Unknown
Suggested PSU
550 W
200 W
Outputs
2x DVI1x mini-HDMI 1.3a
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.1
3.0
Vulkan
N/A
1.3
CUDA
2.0
5.2
Shader Model
5.1
6.7