GeForce GTX 980 and GeForce GT 520 - video card comparison
Passmark - benchmark score GeForce GTX 980 vs GeForce GT 520
GeForce GTX 980
11457
GeForce GT 520
318
GeForce GTX 980
GeForce GT 520
Architecture
Maxwell (2014−2018)
Fermi 2.0 (2010−2014)
GPU code name
GM204
GF119
Market segment
Desktop
Desktop
Release date
September 2014
April 2011
Bus support
PCI Express 3.0
16x PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
None
SLI options
+
-
Boost clock speed
1216 MHz
-
Core clock speed
1064 MHz
810 MHz
CUDA cores
2048
48
Floating-point performance
4,981 gflops
155.52 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,200 million
292 million
Pipelines / CUDA cores
2048
48
Power consumption (TDP)
165 Watt
29 Watt
Maximum GPU temperature
-
102 °C
Texture fill rate
144 billion/sec
6.5 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
1 GB (DDR3)
Memory bus width
256 Bit
64 Bit
Memory clock speed
7.0 GB/s
900 MHz (DDR3)
Memory bandwidth
224 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
Dual Link DVI-IHDMIVGA (optional)
Multi monitor support
4 displays
+
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
2048x1536
G-SYNC support
+
-
Audio input for HDMI
Internal
Internal
DirectX
12 (12_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.2
Shader Model
6.4
5.1
Vulkan
1.1.126
N/A
BatteryBoost
+
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-