GeForce GT 640M and Radeon HD 6570 - video card comparison
Passmark - benchmark score GeForce GT 640M vs Radeon HD 6570
GeForce GT 640M
946
Radeon HD 6570
572
GeForce GT 640M
Radeon HD 6570
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
N13P-GS
Turks
Market segment
Laptop
Desktop
Release date
March 2012
April 2011
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
645 MHz
650 MHz
Core clock speed
Up to 625 MHz
-
CUDA cores
384
-
Floating-point performance
480.0 gflops
624.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
716 million
Pipelines / CUDA cores
384
480
Power consumption (TDP)
32 Watt
40 Watt
Texture fill rate
Up to 20.0 billion/sec
15.60
Memory type
DDR3\GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
900 MHz
Memory bandwidth
Up to 64.0 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DisplayPort support
-
+
DirectX
12 API
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
-
3D Blu-Ray
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
Optimus
+
-
PowerTune
-
-
TrueAudio
-
-
UVD
-
+
ZeroCore
-
-