GeForce 705M and Radeon HD 4850 X2 - video card comparison
Passmark - benchmark score GeForce 705M vs Radeon HD 4850 X2
GeForce 705M
469
Radeon HD 4850 X2
1166
GeForce 705M
Radeon HD 4850 X2
Architecture
Fermi (2010−2014)
TeraScale (2005−2013)
GPU code name
GF119
R700
Market segment
Laptop
Desktop
Release date
June 2013
November 2008
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Core clock speed
775 MHz
625 MHz
Floating-point performance
141.7 gflops
2x 1,000.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
292 million
956 million
Pipelines / CUDA cores
48
800
Power consumption (TDP)
15 Watt
250 Watt
Texture fill rate
5.904
25.00
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1800 MHz
1990 MHz
Memory bandwidth
14.4 GB/s
63.68 GB/s
Shared memory
-
-
Standard memory configuration
DDR3
-
Display Connectors
No outputs
4x DVI, 1x S-Video
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
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A
Blu-Ray 3D Support
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-