Radeon HD 7850 and Radeon HD 6850 - video card comparison
Passmark - benchmark score Radeon HD 7850 vs Radeon HD 6850
Radeon HD 7850
3976
Radeon HD 6850
2030
Radeon HD 7850
Radeon HD 6850
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Pitcairn
Barts
Market segment
Desktop
Desktop
Release date
March 2012
October 2010
Bus support
PCIe 2.1 x16
AGP
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Boost clock speed
1000 MHz
-
Floating-point performance
1,761 gflops
1,488.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
1,700 million
Pipelines / CUDA cores
1024
960
Power consumption (TDP)
130 Watt
127 Watt
Texture fill rate
55.04
37.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MHz
-
Memory bandwidth
153.6 GB/s
128.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
1
HDMI
+
+
DisplayPort support
-
-
DirectX
12
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
1
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-