GPU Comparison
GEFORCE
NVIDIA GeForce GTX TITAN Z
CORE STATE
GK110B
VRAM
6 GB
CLOCK SPEED
876 MHz
TDP
375 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Quadro K620
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
GTX TITAN Z
Quadro K620
Core Specs
Shading Units
2,880
384
-86.7%
Shaders
2,880
384
-86.7%
TMUs
240
24
-90.0%
ROPs
48
16
-66.7%
Clocks
Base Clock
705 MHz
1058 MHz
Boost Clock
876 MHz
1124 MHz
Memory Clock
1750 MHz
7 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
6 GB
2 GB
VRAM (MB)
6,144
2,048
-66.7%
Memory Type
GDDR5
DDR3
Memory Bus
384 bit
128 bit
Bandwidth
336.0 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
1536 KB
2 MB
Performance
Pixel Rate
52.56 GPixel/s
17.98 GPixel/s
Texture Rate
210.2 GTexel/s
26.98 GTexel/s
FP32 (TFLOPS)
5.046 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
1.682 TFLOPS (1:3)
26.98 GFLOPS (1:32)
Power
TDP
375 W
45 W
TDP (W)
375
45
-88.0%
Suggested PSU
750 W
200 W
Power Connectors
2x 8-pin
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK110B
GM107
Generation
GeForce 700
Quadro Kepler
(Kx200)
Process Size
28 nm
28 nm
Transistors
7,080 million
1,870 million
Die Size
561 mm²
148 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.6M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.5
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
Triple-slot
Single-slot
Length
267 mm
10.5 inches
160 mm
6.3 inches
Height
111 mm
4.4 inches
69 mm
2.7 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
2,999 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 600
Quadro Fermi
Successor
GeForce 900
Quadro Maxwell