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 K40m
CORE STATE
GK110B
VRAM
12 GB
CLOCK SPEED
876 MHz
TDP
245 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
GTX TITAN Z
Tesla K40m
Core Specs
Shading Units
2,880
2,880
0.0%
Shaders
2,880
2,880
0.0%
TMUs
240
240
0.0%
ROPs
48
48
0.0%
Clocks
Base Clock
705 MHz
745 MHz
Boost Clock
876 MHz
876 MHz
Memory Clock
1750 MHz
7 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
6 GB
12 GB
VRAM (MB)
6,144
12,288
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
384 bit
Bandwidth
336.0 GB/s
288.4 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
1536 KB
Performance
Pixel Rate
52.56 GPixel/s
52.56 GPixel/s
Texture Rate
210.2 GTexel/s
210.2 GTexel/s
FP32 (TFLOPS)
5.046 TFLOPS
5.046 TFLOPS
FP64 (TFLOPS)
1.682 TFLOPS (1:3)
1.682 TFLOPS (1:3)
Power
TDP
375 W
245 W
TDP (W)
375
245
-34.7%
Suggested PSU
750 W
550 W
Power Connectors
2x 8-pin
—
Architecture
Architecture
Kepler
Kepler
GPU Name
GK110B
GK110B
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_1)
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 3.0 x16
Other
Launch Price
2,999 USD
7,699 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 600
Tesla Fermi
Successor
GeForce 900
Tesla Maxwell