
Radeon HD 6850 and Quadro T400 Mobile - video card comparison
Radeon HD 6850
Quadro T400 Mobile
Architecture
TeraScale 2 (2009−2015)
Turing (2018−2021)
GPU code name
Barts
TU117
Market segment
Desktop
Mobile workstation
Release date
October 2010
-
Bus support
AGP
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
1425 MHz
Floating-point performance
1,488.0 gflops
-
Manufacturing process technology
40 nm
12 nm
Number of transistors
1,700 million
4,700 million
Pipelines / CUDA cores
960
896
Power consumption (TDP)
127 Watt
18 Watt
Texture fill rate
37.20
79.80
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
10 GB/s
Memory bandwidth
128.0 GB/s
80 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (12_1)
CUDA
-
7.5
Mantle
-
-
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.6
Vulkan
-
1.2
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-