GeForce 840M and Mobility Radeon 7500 - video card comparison
GeForce 840M
Mobility Radeon 7500
Architecture
Maxwell (2014−2018)
Rage 7 (2001−2006)
GPU code name
N15S-GT
RV200
Market segment
Laptop
Laptop
Release date
March 2014
August 2001
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x8
AGP 4x
Boost clock speed
1124 MHz
280 MHz
Core clock speed
1029 MHz
230 MHz
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
-
60 million
Pipelines / CUDA cores
384
2
Power consumption (TDP)
33 Watt
27 Watt
Texture fill rate
17.98
0.56
Memory type
DDR3
DDR
Maximum RAM amount
4 GB
64 MB
Memory bus width
64 Bit
64 / 128 Bit
Memory clock speed
2000 MHz
366 MHz
Memory bandwidth
16.02 GB/s
3.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
7.0
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.5
1.3
Shader Model
5.1
-
Vulkan
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-