Radeon HD 7850 and GeForce GT 630 Rev. 2 PCIe x8 - video card comparison
Radeon HD 7850
GeForce GT 630 Rev. 2 PCIe x8
Architecture
GCN 1.0 (2012−2020)
Kepler 2.0 (2013−2015)
GPU code name
Pitcairn
GK208
Market segment
Desktop
Desktop
Release date
March 2012
May 2013
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1000 MHz
-
Core clock speed
-
902 MHz
Floating-point performance
1,761 gflops
692.7 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
915 million
Pipelines / CUDA cores
1024
384
Power consumption (TDP)
130 Watt
25 Watt
Texture fill rate
55.04
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1200 MHz
1800 MHz
Memory bandwidth
153.6 GB/s
14.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
12
12 (11_0)
CUDA
-
3.5
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
1.1.126
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-