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
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_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
GTX TITAN Z
Tesla K20m
Core Specs
Shading Units
2,880
2,496
-13.3%
Shaders
2,880
2,496
-13.3%
TMUs
240
208
-13.3%
ROPs
48
40
-16.7%
Clocks
Base Clock
705 MHz
—
Boost Clock
876 MHz
—
GPU Clock
—
706 MHz
Memory Clock
1750 MHz
7 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
6 GB
5 GB
VRAM (MB)
6,144
5,120
-16.7%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
320 bit
Bandwidth
336.0 GB/s
208.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
1280 KB
Performance
Pixel Rate
52.56 GPixel/s
36.71 GPixel/s
Texture Rate
210.2 GTexel/s
146.8 GTexel/s
FP32 (TFLOPS)
5.046 TFLOPS
3.524 TFLOPS
FP64 (TFLOPS)
1.682 TFLOPS (1:3)
1,174.8 GFLOPS (1:3)
Power
TDP
375 W
225 W
TDP (W)
375
225
-40.0%
Suggested PSU
750 W
550 W
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
Kepler
Kepler
GPU Name
GK110B
GK110
Generation
GeForce 700
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
7,080 million
7,080 million
Die Size
561 mm²
561 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
1.2.175
OpenCL
3.0
3.0
CUDA
3.5
3.5
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Triple-slot
Dual-slot
Length
267 mm
10.5 inches
267 mm
10.5 inches
Height
111 mm
4.4 inches
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
2,999 USD
3,199 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 600
Tesla Fermi
Successor
GeForce 900
Tesla Maxwell