Radeon HD 7990 and GeForce GTX 950 - video card comparison
Passmark - benchmark score Radeon HD 7990 vs GeForce GTX 950
Radeon HD 7990
5732
GeForce GTX 950
5498
Radeon HD 7990
GeForce GTX 950
Architecture
GCN 1.0 (2012−2020)
Maxwell (2014−2018)
GPU code name
Malta
GM206
Market segment
Desktop
Desktop
Release date
April 2013
August 2015
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 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
1000 MHz
1188 MHz
Core clock speed
950 MHz
1024 MHz
CUDA cores
-
768
Floating-point performance
2x 4,096 gflops
1,825 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2,940 million
Pipelines / CUDA cores
2048
768
Power consumption (TDP)
375 Watt
90 Watt
Texture fill rate
128.0
49.2 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
6000 MHz
6.6 GB/s
Memory bandwidth
288.0 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
12 (11_1)
12 (12_1)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
6.4
Vulkan
1.2.131
1.1.126
GameStream
-
+
GameWorks
-
+
GeForce ShadowPlay
-
+
GPU Boost
-
2.0