Radeon HD 7990 and GeForce GTX 480 - video card comparison
Passmark - benchmark score Radeon HD 7990 vs GeForce GTX 480
Radeon HD 7990
5732
GeForce GTX 480
4229
Radeon HD 7990
GeForce GTX 480
Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)
GPU code name
Malta
GF100
Market segment
Desktop
Desktop
Release date
April 2013
December 2010
Bus support
-
16x PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
6-pin & 8-pin
SLI options
-
+
Boost clock speed
1000 MHz
-
Core clock speed
950 MHz
700 MHz
CUDA cores
-
480
Floating-point performance
2x 4,096 gflops
1,345.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
4,313 million
3,100 million
Pipelines / CUDA cores
2048
480
Power consumption (TDP)
375 Watt
295 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
128.0
42 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
1536 MB
Memory bus width
384 Bit
384 Bit
Memory clock speed
6000 MHz
1848 MHz (3696 data rate)
Memory bandwidth
288.0 GB/s
177.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
Two Dual Link DVI, Mini HDMI
Multi monitor support
-
+
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_1)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A