
Radeon HD 7850 and HD Graphics 400 - video card comparison
Radeon HD 7850
HD Graphics 400
Architecture
GCN 1.0 (2012−2020)
Generation 8.0 (2014−2015)
GPU code name
Pitcairn
Braswell GT1
Market segment
Desktop
Desktop
Release date
March 2012
April 2015
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1000 MHz
640 MHz
Core clock speed
-
320 MHz
Floating-point performance
1,761 gflops
134.4 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
2,800 million
189 million
Pipelines / CUDA cores
1024
96
Power consumption (TDP)
130 Watt
6 Watt
Texture fill rate
55.04
7.680
Memory type
GDDR5
DDR3L
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
System Shared
Memory clock speed
1200 MHz
System Shared
Memory bandwidth
153.6 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
12
12 (11_1)
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.6
4.3
Shader Model
5.1
5.1
Vulkan
+
1.1.80
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-