GPU Comparison
GEFORCE
NVIDIA GeForce GTX TITAN
CORE STATE
GK110
VRAM
6 GB
CLOCK SPEED
876 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Tesla K80
CORE STATE
GK210
VRAM
12 GB
CLOCK SPEED
824 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX TITAN
Tesla K80
Core Specs
Shading Units
2,688
2,496
-7.1%
Shaders
2,688
2,496
-7.1%
TMUs
224
208
-7.1%
ROPs
48
48
0.0%
Clocks
Base Clock
836 MHz
562 MHz
Boost Clock
876 MHz
824 MHz
Memory Clock
1502 MHz
6 Gbps effective
1253 MHz
5 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
288.4 GB/s
240.6 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
1536 KB
Performance
Pixel Rate
49.06 GPixel/s
42.85 GPixel/s
Texture Rate
196.2 GTexel/s
171.4 GTexel/s
FP32 (TFLOPS)
4.709 TFLOPS
4.113 TFLOPS
FP64 (TFLOPS)
1.570 TFLOPS (1:3)
1,371.1 GFLOPS (1:3)
Power
TDP
250 W
300 W
TDP (W)
250
300
+20.0%
Suggested PSU
600 W
700 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Architecture
Architecture
Kepler
Kepler 2.0
GPU Name
GK110
GK210
Generation
GeForce 700
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
7,080 million
7,100 million
Die Size
561 mm²
561 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.7M / mm²
API Support
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.2.175
OpenCL
3.0
3.0
CUDA
3.5
3.7
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-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
999 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 600
Tesla Fermi
Successor
GeForce 900
Tesla Maxwell