NVIDIA GeForce GTX 690 vs AMD Radeon HD 6850 X2
GPU Specs Compare
Graphics Card
Release Date
May 2012
Sep 2011
Generation
GeForce 600
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
915 MHz
-
Boost Clock
1019 MHz
-
Memory Clock
1502 MHz
1050 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
192.3GB/s
134.4GB/s
Render Config
Shading Units
1536
960
TMUs
128
48
ROPs
32
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Compute Units
-
12
Theoretical Performance
Pixel Rate
32.61 GPixel/s
25.60 GPixel/s
Texture Rate
130.4 GTexel/s
38.40 GTexel/s
FP32 (float)
3.130 TFLOPS
1.536 TFLOPS
FP64 (double)
130.4 GFLOPS
-
Graphics Processor
GPU Name
GK104
Barts
GPU Variant
GK104-355-A2
Barts PRO(215-0798006)
Architecture
Kepler
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
3.54 billion
1.7 billion
Die Size
294 mm²
255 mm²
Board Design
TDP
300W
254W
Suggested PSU
700 W
600 W
Outputs
3x DVI1x mini-DisplayPort 1.2
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.1
N/A
CUDA
3.0
-
Shader Model
5.1
5.0