GeForce 840A and Radeon HD 6570 - video card comparison
Passmark - benchmark score GeForce 840A vs Radeon HD 6570
GeForce 840A
1214
Radeon HD 6570
572
GeForce 840A
Radeon HD 6570
Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)
GPU code name
GM108
Turks
Market segment
Desktop
Desktop
Release date
March 2014
April 2011
Bus support
-
PCIe 2.1 x16
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1124 MHz
650 MHz
Core clock speed
1029 MHz
-
Floating-point performance
863.2 gflops
624.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
716 million
Pipelines / CUDA cores
384
480
Power consumption (TDP)
33 Watt
40 Watt
Texture fill rate
17.98
15.60
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2002 MHz
900 MHz
Memory bandwidth
16.02 GB/s
28.8 GB/s
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
+
DirectX
12 (11_0)
DirectX® 11
CUDA
5.0
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
UVD
-
+
ZeroCore
-
-