Radeon HD 6850 and GeForce4 MX 420 - video card comparison
Passmark - benchmark score Radeon HD 6850 vs GeForce4 MX 420
Radeon HD 6850
2030
GeForce4 MX 420
4
Radeon HD 6850
GeForce4 MX 420
Architecture
TeraScale 2 (2009−2015)
Celsius (1999−2005)
GPU code name
Barts
NV17 A3
Market segment
Desktop
Desktop
Release date
October 2010
February 2002
Bus support
AGP
-
Interface
PCIe 2.0 x16
AGP 4x
Supplementary power connectors
1x 6-pin
None
Core clock speed
-
250 MHz
Floating-point performance
1,488.0 gflops
-
Manufacturing process technology
40 nm
150 nm
Number of transistors
1,700 million
29 million
Pipelines / CUDA cores
960
-
Power consumption (TDP)
127 Watt
-
Texture fill rate
37.20
1.000
Memory type
GDDR5
SDR
Maximum RAM amount
1 GB
64 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
166 MHz
Memory bandwidth
128.0 GB/s
1.328 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x VGA, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
8.0
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.4
1.3
Shader Model
5.0
-
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-