NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon R9 FURY X2
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Unknown
Generation
GeForce 600
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
980 MHz
-
Boost Clock
1032 MHz
-
Memory Clock
1502 MHz
500 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
HBM
Memory Bus
192bit
4096bit
Bandwidth
144.2GB/s
512.0GB/s
Render Config
Shading Units
960
4096
TMUs
80
256
ROPs
24
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
2 MB
Compute Units
-
64
Theoretical Performance
Pixel Rate
20.64 GPixel/s
67.20 GPixel/s
Texture Rate
82.56 GTexel/s
268.8 GTexel/s
FP32 (float)
1.981 TFLOPS
8.602 TFLOPS
FP64 (double)
82.56 GFLOPS
-
Graphics Processor
GPU Name
GK104
Capsaicin
Architecture
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
8.9 billion
Die Size
294 mm²
596 mm²
GPU Variant
-
Capsaicin XT C9
Board Design
TDP
140W
Unknown
Suggested PSU
300 W
200 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 1.4a3x DisplayPort 1.2
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.2.170
CUDA
3.0
-
Shader Model
5.1
6.5