Radeon HD 6850 and GeForce GT 745M - video card comparison
Passmark - benchmark score Radeon HD 6850 vs GeForce GT 745M
Radeon HD 6850
2030
GeForce GT 745M
1125
Radeon HD 6850
GeForce GT 745M
Architecture
TeraScale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Barts
N14P-LP/GS
Market segment
Desktop
Laptop
Release date
October 2010
April 2013
Bus support
AGP
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
-
837 MHz
Floating-point performance
1,488.0 gflops
642.8 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
1,270 million
Pipelines / CUDA cores
960
384
Power consumption (TDP)
127 Watt
45 Watt
Texture fill rate
37.20
17.57
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1800 MHz
Memory bandwidth
128.0 GB/s
64 GB/s
Shared memory
-
-
Standard memory configuration
-
DDR3/GDDR5
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
Eyefinity
1
-
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
+
+
7.1 channel HD audio on HDMI
-
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 API
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
-
1.1.126
3D Vision / 3DTV Play
-
+
AppAcceleration
-
-
Blu-Ray 3D Support
-
+
CrossFire
1
-
Enduro
-
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
-
-
Optimus
-
+
PowerTune
-
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
-
+
ZeroCore
-
-