GeForce GTX 970 and Stream Processor - video card comparison
GeForce GTX 970
Stream Processor
Architecture
Maxwell (2014−2018)
Ultra-Threaded SE
GPU code name
GM204
R580
Market segment
Desktop
Desktop
Release date
September 2014
2006
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
1x 6-pin
SLI options
+
-
Boost clock speed
1178 MHz
-
Core clock speed
1050 MHz
594 MHz
CUDA cores
1664
-
Floating-point performance
3,920 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
5,200 million
384 million
Pipelines / CUDA cores
1664
-
Power consumption (TDP)
145 Watt
165 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
109 billion/sec
9.504
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
7.0 GB/s
1296 MBps
Memory bandwidth
224 GB/s
41.47 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
2x DVI, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
9.0c (9_3)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.4
2.1 (full)
Shader Model6.43.0
Vulkan
1.1.126
N/A
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-