Radeon HD 7640G and GeForce 800M - video card comparison
Passmark - benchmark score Radeon HD 7640G vs GeForce 800M
Radeon HD 7640G
473
GeForce 800M
471
Radeon HD 7640G
GeForce 800M
Architecture
Terascale 3 (2010−2013)
Fermi 2.0 (2010−2014)
GPU code name
Trinity
GF117
Market segment
Laptop
Desktop
Release date
May 2012
March 2014
Bus support
-
PCI Express 3.0
Interface
IGP
PCIe 2.0 x16
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
738 MHz
Floating-point performance
-
141.7 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
585 million
Pipelines / CUDA cores
256
48
Power consumption (TDP)
35 Watt
15 Watt
Texture fill rate
10.96
5.904
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
N/A
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+