Radeon HD 6990 and GeForce GTX 950 - video card comparison
Passmark - benchmark score Radeon HD 6990 vs GeForce GTX 950
Radeon HD 6990
3103
GeForce GTX 950
5498
Radeon HD 6990
GeForce GTX 950
Architecture
TeraScale 3 (2010−2013)
Maxwell (2014−2018)
GPU code name
Antilles
GM206
Market segment
Desktop
Desktop
Release date
March 2011
August 2015
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
-
350 Watt
Supplementary power connectors
2x 8-pin
1x 6-pins
SLI options
-
+
Boost clock speed
-
1188 MHz
Core clock speed
830 MHz
1024 MHz
CUDA cores
-
768
Floating-point performance
2x 2,549.8 gflops
1,825 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,640 million
2,940 million
Pipelines / CUDA cores
1536
768
Power consumption (TDP)
375 Watt
90 Watt
Texture fill rate
79.68
49.2 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
6.6 GB/s
Memory bandwidth
160.0 GB/s
105.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
G-SYNC support
-
+
Audio input for HDMI
-
Internal
DirectX
11.2 (11_0)
12 (12_1)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.4
4.5
Shader Model
5.0
6.4
Vulkan
N/A
1.1.126
GameStream
-
+
GameWorks
-
+
GeForce ShadowPlay
-
+
GPU Boost
-
2.0