GeForce GTX 690 and Radeon HD 6990M - video card comparison
GeForce GTX 690
Radeon HD 6990M
Architecture
Kepler (2012−2018)
Terascale 2 (2009−2015)
GPU code name
GK104
Blackcomb XTX
Market segment
Desktop
Laptop
Release date
May 2012
July 2011
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
Two 8-pin
None
SLI options
+
-
Boost clock speed
1019 MHz
-
Core clock speed
915 MHz
715 MHz
CUDA cores
3072
-
Floating-point performance
2x 3,130 gflops
1,601.6 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
1,700 million
Pipelines / CUDA cores
1536
1120
Power consumption (TDP)
300 Watt
100 Watt
Texture fill rate
234 billion/sec
40.04
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB (4 GB per GPU) GDDR5
2 GB
Memory bus width
512-bit (256-bit per GPU)
256 Bit
Memory clock speed
6008 MHz
900 MHz
Memory bandwidth
384 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
Two Dual Link DVI-I. One Dual link DVI-D. One Mini-Displayport 1.2
No outputs
Multi monitor support
4 displays
-
HDMI
Yes (via dongle)
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.2
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision Live
+
-