Radeon HD 7850 and Mobility Radeon HD 4330 - video card comparison
Radeon HD 7850
Mobility Radeon HD 4330
Architecture
GCN 1.0 (2012−2020)
Terascale 1 (2008−2010)
GPU code name
Pitcairn
M92-SE
Market segment
Desktop
Laptop
Release date
March 2012
January 2009
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1000 MHz
-
Core clock speed
-
450 MHz
Floating-point performance
1,761 gflops
72 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,800 million
242 million
Pipelines / CUDA cores
1024
80
Power consumption (TDP)
130 Watt
-
Texture fill rate
55.04
3.600
Memory type
GDDR5
GDDR3, DDR2, DDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1200 MHz
600 MHz
Memory bandwidth
153.6 GB/s
9.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
12
10.1 (10_1)
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-