Radeon HD 6990 and GeForce GTX 280 - video card comparison
Passmark - benchmark score Radeon HD 6990 vs GeForce GTX 280
Radeon HD 6990
3103
GeForce GTX 280
1338
Radeon HD 6990
GeForce GTX 280
Architecture
TeraScale 3 (2010−2013)
Tesla 2.0 (2007−2013)
GPU code name
Antilles
GT200
Market segment
Desktop
Desktop
Release date
March 2011
June 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
6-pin & 8-pin
SLI options
-
+
Core clock speed
830 MHz
602 MHz
CUDA cores
-
240
Floating-point performance
2x 2,549.8 gflops
622.1 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
2,640 million
1,400 million
Pipelines / CUDA cores
1536
240
Power consumption (TDP)
375 Watt
236 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
79.68
48.2 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
512 Bit
Memory clock speed
5000 MHz
1107 MHz
Memory bandwidth
160.0 GB/s
141.7 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
HDTVDual Link DVI
Multi monitor support
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
11.2 (11_0)
11.1 (10_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
2.1
Shader Model
5.0
4.0
Vulkan
N/A
N/A