NVIDIA GeForce GTX 660 Rev. 2 vs AMD FirePro W7000
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Jun 2012
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
1200 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
144.2GB/s
153.6GB/s
Render Config
Shading Units
960
1280
TMUs
80
80
ROPs
24
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
20.64 GPixel/s
30.40 GPixel/s
Texture Rate
82.56 GTexel/s
76.00 GTexel/s
FP32 (float)
1.981 TFLOPS
2.432 TFLOPS
FP64 (double)
82.56 GFLOPS
152.0 GFLOPS
Graphics Processor
GPU Name
GK104
Pitcairn
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.8 billion
Die Size
294 mm²
212 mm²
GPU Variant
-
Pitcairn XT GL(215-0828073)
Board Design
TDP
140W
150W
Suggested PSU
300 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 1.2
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
5.1