GPU Comparison
GEFORCE
NVIDIA Quadro K4000
CORE STATE
GK106
VRAM
3 GB
CLOCK SPEED
—
TDP
80 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Quadro K620M
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K4000
Quadro K620M
Core Specs
Shading Units
768
384
-50.0%
Shaders
768
384
-50.0%
TMUs
64
16
-75.0%
ROPs
24
8
-66.7%
Clocks
Base Clock
—
1029 MHz
Boost Clock
—
1124 MHz
GPU Clock
810 MHz
—
Memory Clock
1404 MHz
5.6 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
3 GB
2 GB
VRAM (MB)
3,072
2,048
-33.3%
Memory Type
GDDR5
DDR3
Memory Bus
192 bit
64 bit
Bandwidth
134.8 GB/s
16.02 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
384 KB
1024 KB
Performance
Pixel Rate
12.96 GPixel/s
8.992 GPixel/s
Texture Rate
51.84 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
1,244.2 GFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
51.84 GFLOPS (1:24)
26.98 GFLOPS (1:32)
Power
TDP
80 W
30 W
TDP (W)
80
30
-62.5%
Suggested PSU
250 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK106
GM108S
Generation
Quadro Kepler
(Kx000)
Quadro Kepler-M
(Kx200M)
Process Size
28 nm
28 nm
Transistors
2,540 million
1,020 million
Die Size
221 mm²
77 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
13.2M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
Single-slot
MXM Module
Length
241 mm
9.5 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI2x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
MXM-A (3.0)
Other
Launch Price
1,269 USD
—
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi
Quadro Fermi-M
Successor
Quadro Maxwell
Quadro Maxwell-M