Radeon HD 7640G and GeForce 705M - video card comparison
Passmark - benchmark score Radeon HD 7640G vs GeForce 705M
Radeon HD 7640G
473
GeForce 705M
469
Radeon HD 7640G
GeForce 705M
Architecture
Terascale 3 (2010−2013)
Fermi (2010−2014)
GPU code name
Trinity
GF119
Market segment
Laptop
Laptop
Release date
May 2012
June 2013
Bus support
-
PCI Express 2.0
Interface
IGP
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
775 MHz
Floating-point performance
-
141.7 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1,303 million
292 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
+
-
Standard memory configuration
-
DDR3
Display Connectors
No outputs
No outputs
eDP 1.2 signal support
-
Up to 2560x1600
LVDS signal support
-
Up to 1920x1200
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 2560x1600
HDCP content protection
-
+
HDMI
-
+
7.1 channel HD audio on HDMI
-
+
DirectX
11.2 (11_0)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
N/A
N/A
Blu-Ray 3D Support
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
-
+
TrueHD and DTS-HD audio bitstreaming
-
+