
Radeon HD 3850 and GeForce GT 720 - video card comparison
Passmark - benchmark score Radeon HD 3850 vs GeForce GT 720
Radeon HD 3850
404
GeForce GT 720
628
Radeon HD 3850
GeForce GT 720
Architecture
TeraScale (2005−2013)
Kepler 2.0 (2013−2015)
GPU code name
RV670
GK208B
Market segment
Desktop
Desktop
Release date
November 2007
September 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x8
Supplementary power connectors
1x 6-pin
None
Core clock speed
668 MHz
797 MHz
CUDA cores
-
192
Floating-point performance
427.5 gflops
306.0 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
666 million
915 million
Pipelines / CUDA cores
320
192
Power consumption (TDP)
75 Watt
19 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
10.69
12.75
Memory type
GDDR3
DDR3 / GDDR5
Maximum RAM amount
1 GB
1 GB or 1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1660 MHz
1.8 GBps or 5.0 GB/s
Memory bandwidth
53.12 GB/s
14.4 (DDR3) or 40 (GDDR5)
Display Connectors
2x DVI, 1x S-Video
Dual Link DVI-DHDMIVGA
Multi monitor support
-
3 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
N/A
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+