NVIDIA GeForce GTX 580 vs NVIDIA GeForce GTX 950 Low Power
GPU Specs Compare
Graphics Card
Release Date
Nov 2010
Mar 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
1653 MHz
Base Clock
-
1026 MHz
Boost Clock
-
1190 MHz
Memory
Memory Size
1536MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
192.4GB/s
105.8GB/s
Render Config
SM Count
16
-
Shading Units
512
768
TMUs
64
48
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
38.08 GPixel/s
Texture Rate
49.41 GTexel/s
57.12 GTexel/s
FP32 (float)
1.581 TFLOPS
1.828 TFLOPS
FP64 (double)
197.6 GFLOPS
57.12 GFLOPS
Graphics Processor
GPU Name
GF110
GM206
GPU Variant
GF110-375-A1
GM206-251-A1
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
75W
Suggested PSU
550 W
250 W
Outputs
2x DVI1x mini-HDMI 1.3a
1x DVI1x HDMI 2.03x DisplayPort 1.4a
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
6.4