
Radeon HD 7870 and GeForce GT 720 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs GeForce GT 720
Radeon HD 7870
4779
GeForce GT 720
628
Radeon HD 7870
GeForce GT 720
Architecture
GCN (2011−2017)
Kepler 2.0 (2013−2015)
GPU code name
Pitcairn XT
GK208B
Market segment
Desktop
Desktop
Release date
March 2012
September 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x8
Supplementary power connectors
2x 6-pin
None
Core clock speed
1000 MHz
797 MHz
CUDA cores
-
192
Floating-point performance
-
306.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2800 Million
915 million
Pipelines / CUDA cores
1280
192
Power consumption (TDP)
175 Watt
19 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
80.00
12.75
Memory type
GDDR5
DDR3 / GDDR5
Maximum RAM amount
2 GB
1 GB or 1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
4800 MHz
1.8 GBps or 5.0 GB/s
Memory bandwidth
153.6 GB/s
14.4 (DDR3) or 40 (GDDR5)
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
Dual Link DVI-DHDMIVGA
Multi monitor support
-
3 displays
Eyefinity
+
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_1)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+