Radeon R9 285 and Radeon HD 6950 - video card comparison
Passmark - benchmark score Radeon R9 285 vs Radeon HD 6950
Radeon R9 285
6880
Radeon HD 6950
2693
Radeon R9 285
Radeon HD 6950
Architecture
GCN 3.0 (2014−2017)
TeraScale 3 (2010−2013)
GPU code name
Tonga
Cayman
Market segment
Desktop
Desktop
Release date
September 2014
December 2010
Bus support
-
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
2x 6-pin
Boost clock speed
-
800 MHz
Core clock speed
918 MHz
-
Floating-point performance
3,290 gflops
2,252.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,000 million
2,640 million
Pipelines / CUDA cores
1792
1408
Power consumption (TDP)
190 Watt
500 Watt
Texture fill rate
102.8
70.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5.5 GB/s
1250 MHz
Memory bandwidth
176.0 GB/s
-
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
HDMI
+
+
DisplayPort support
-
-
DirectX
12 (12_0)
DirectX® 11
Mantle
-
-
OpenCL
2.1
1.2
OpenGL
4.6
4.4
Shader Model
6.5
5.0
Vulkan
1.2.170
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-