GeForce GT 640 and Radeon R5 230 - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon R5 230
GeForce GT 640
1210
Radeon R5 230
228
GeForce GT 640
Radeon R5 230
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK107
Caicos
Market segment
Desktop
Desktop
Release date
June 2012
April 2014
Bus support
-
PCIe 1.0 x4
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
N/A
Core clock speed
902 MHz
-
Floating-point performance
692.7 gflops
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
370 million
Pipelines / CUDA cores
384
160
Power consumption (TDP)
65 Watt
19 Watt
Texture fill rate
28.86
5.000
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
-
Memory bandwidth
28.51 GB/s
10.67 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
HDMI
+
+
DisplayPort support
-
-
DirectX
12 (11_0)
DirectX® 11
CUDA
3.0
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
-
AppAcceleration
-
-
CrossFire
-
1
DDMA audio
-
-
Enduro
-
-
HD3D
-
-
PowerPlay
-
+
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-