Radeon HD 6990 and GeForce GTX 590 - video card comparison
Passmark - benchmark score Radeon HD 6990 vs GeForce GTX 590
Radeon HD 6990
3103
GeForce GTX 590
3441
Radeon HD 6990
GeForce GTX 590
Architecture
TeraScale 3 (2010−2013)
Fermi (2010−2014)
GPU code name
Antilles
GF110
Market segment
Desktop
Desktop
Release date
March 2011
March 2011
Bus support
-
16x PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
Two 8-pin
SLI options
-
+
Core clock speed
830 MHz
607 MHz
CUDA cores
-
1024
Floating-point performance
2x 2,549.8 gflops
2x 1,244.2 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,640 million
3,000 million
Pipelines / CUDA cores
1536
1024
Power consumption (TDP)
375 Watt
365 Watt
Maximum GPU temperature
-
97 °C
Texture fill rate
79.68
77.7 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3072 MB (1536 MB per GPU)
Memory bus width
256 Bit
768-bit (384-bit per GPU)
Memory clock speed
5000 MHz
1707 MHz
Memory bandwidth
160.0 GB/s
327.7 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
Three Dual Link DVI-IMini DisplayPort
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.2
Shader Model
5.0
5.1
Vulkan
N/A
N/A