Radeon R9 290X and Radeon HD 6850 - video card comparison
Passmark - benchmark score Radeon R9 290X vs Radeon HD 6850
Radeon R9 290X
7648
Radeon HD 6850
2030
Radeon R9 290X
Radeon HD 6850
Architecture
GCN (2011−2017)
TeraScale 2 (2009−2015)
GPU code name
Hawaii XT
Barts
Market segment
Desktop
Desktop
Release date
October 2013
October 2010
Bus support
PCIe 3.0
AGP
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
1x 6-pin
Boost clock speed
947 MHz
-
Floating-point performance
5,632 gflops
1,488.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
6,200 million
1,700 million
Pipelines / CUDA cores
2816
960
Power consumption (TDP)
250 Watt
127 Watt
Texture fill rate
176.0
37.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1250 MHz
-
Memory bandwidth
320 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
+
1
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.0
Vulkan
+
-
AppAcceleration
+
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-