GPU Comparison
GEFORCE
NVIDIA GeForce GTX 660
CORE STATE
GK106
VRAM
2 GB
CLOCK SPEED
1032 MHz
TDP
140 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
Quadro P4000
CORE STATE
GP104
VRAM
8 GB
CLOCK SPEED
1480 MHz
TDP
105 W
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660
Quadro P4000
Core Specs
Shading Units
960
1,792
+86.7%
Shaders
960
1,792
+86.7%
TMUs
80
112
+40.0%
ROPs
24
64
+166.7%
SM Count
—
14
Clocks
Base Clock
980 MHz
1202 MHz
Boost Clock
1032 MHz
1480 MHz
Memory Clock
1502 MHz
6 Gbps effective
1901 MHz
7.6 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR5
Memory Bus
192 bit
256 bit
Bandwidth
144.2 GB/s
243.3 GB/s
Cache
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
384 KB
2 MB
Performance
Pixel Rate
20.64 GPixel/s
94.72 GPixel/s
Texture Rate
82.56 GTexel/s
165.8 GTexel/s
FP32 (TFLOPS)
1.981 TFLOPS
5.304 TFLOPS
FP64 (TFLOPS)
82.56 GFLOPS (1:24)
165.8 GFLOPS (1:32)
FP16 (TFLOPS)
—
82.88 GFLOPS (1:64)
Power
TDP
140 W
105 W
TDP (W)
140
105
-25.0%
Suggested PSU
300 W
300 W
Power Connectors
1x 6-pin
1x 6-pin
Architecture
Architecture
Kepler
Pascal
GPU Name
GK106
GP104
Generation
GeForce 600
Quadro Pascal
(Px000)
Process Size
28 nm
16 nm
Transistors
2,540 million
7,200 million
Die Size
221 mm²
314 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
22.9M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
6.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
241 mm
9.5 inches
241 mm
9.5 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
229 USD
815 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Quadro Maxwell
Successor
GeForce 700
Quadro Volta