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
Tesla K20m
CORE STATE
GK110
VRAM
5 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
320 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K4000
Tesla K20m
Core Specs
Shading Units
768
2,496
+225.0%
Shaders
768
2,496
+225.0%
TMUs
64
208
+225.0%
ROPs
24
40
+66.7%
Clocks
GPU Clock
810 MHz
706 MHz
Memory Clock
1404 MHz
5.6 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
3 GB
5 GB
VRAM (MB)
3,072
5,120
+66.7%
Memory Type
GDDR5
GDDR5
Memory Bus
192 bit
320 bit
Bandwidth
134.8 GB/s
208.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
1280 KB
Performance
Pixel Rate
12.96 GPixel/s
36.71 GPixel/s
Texture Rate
51.84 GTexel/s
146.8 GTexel/s
FP32 (TFLOPS)
1,244.2 GFLOPS
3.524 TFLOPS
FP64 (TFLOPS)
51.84 GFLOPS (1:24)
1,174.8 GFLOPS (1:3)
Power
TDP
80 W
225 W
TDP (W)
80
225
+181.3%
Suggested PSU
250 W
550 W
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
Kepler
Kepler
GPU Name
GK106
GK110
Generation
Quadro Kepler
(Kx000)
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
2,540 million
7,080 million
Die Size
221 mm²
561 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
12.6M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.2.175
OpenCL
3.0
3.0
CUDA
3.0
3.5
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Single-slot
Dual-slot
Length
241 mm
9.5 inches
267 mm
10.5 inches
Height
111 mm
4.4 inches
—
Outputs
1x DVI2x DisplayPort 1.2
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
1,269 USD
3,199 USD
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi
Tesla Fermi
Successor
Quadro Maxwell
Tesla Maxwell