NVIDIA GeForce GTX 660 Rev. 2 vs AMD FirePro S9100
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Oct 2014
Generation
GeForce 600
FirePro
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
1250 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
512bit
Bandwidth
144.2GB/s
320.0GB/s
Render Config
Shading Units
960
2560
TMUs
80
160
ROPs
24
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
1024 KB
Compute Units
-
40
Theoretical Performance
Pixel Rate
20.64 GPixel/s
52.74 GPixel/s
Texture Rate
82.56 GTexel/s
131.8 GTexel/s
FP32 (float)
1.981 TFLOPS
4.219 TFLOPS
FP64 (double)
82.56 GFLOPS
2.109 TFLOPS
Graphics Processor
GPU Name
GK104
Hawaii
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
6.2 billion
Die Size
294 mm²
438 mm²
GPU Variant
-
Hawaii GL40
Board Design
TDP
140W
225W
Suggested PSU
300 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
6.3