GeForce GT 640M and Radeon 7500 - video card comparison
Passmark - benchmark score GeForce GT 640M vs Radeon 7500
GeForce GT 640M
946
Radeon 7500
3
GeForce GT 640M
Radeon 7500
Architecture
Kepler (2012−2018)
Rage 7 (2001−2006)
GPU code name
N13P-GS
RV200
Market segment
Laptop
Desktop
Release date
March 2012
August 2001
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
-
None
Boost clock speed
645 MHz
-
Core clock speed
Up to 625 MHz
290 MHz
CUDA cores
384
-
Floating-point performance
480.0 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
1,270 million
60 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
32 Watt
23 Watt
Texture fill rate
Up to 20.0 billion/sec
1.740
Memory type
DDR3\GDDR5
DDR
Maximum RAM amount
2 GB
64 MB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
460 MHz
Memory bandwidth
Up to 64.0 GB/s
7.36 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
7.0
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
1.3
Shader Model
5.1
-
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
Optimus
+
-