Radeon HD 6850 and Radeon HD 7850M - video card comparison
Passmark - benchmark score Radeon HD 6850 vs Radeon HD 7850M
Radeon HD 6850
2030
Radeon HD 7850M
1413
Radeon HD 6850
Radeon HD 7850M
Architecture
TeraScale 2 (2009−2015)
GCN (2011−2017)
GPU code name
Barts
Heathrow Pro
Market segment
Desktop
Laptop
Release date
October 2010
April 2012
Bus support
AGP
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
-
675 MHz
Floating-point performance
1,488.0 gflops
864.0 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
1,500 million
Pipelines / CUDA cores
960
640
Power consumption (TDP)
127 Watt
40 Watt
Texture fill rate
37.20
27.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
4000 MHz
Memory bandwidth
128.0 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_1)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
1.2.131
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-