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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
-
-