GPU Comparison
GEFORCE
NVIDIA GeForce GTX 650 Ti
CORE STATE
GK106S
VRAM
1024 MB
CLOCK SPEED
—
TDP
110 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
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_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 650 Ti
Tesla K80
Core Specs
Shading Units
768
2,496
+225.0%
Shaders
768
2,496
+225.0%
TMUs
64
208
+225.0%
ROPs
16
48
+200.0%
Clocks
Base Clock
—
562 MHz
Boost Clock
—
824 MHz
GPU Clock
928 MHz
—
Memory Clock
1350 MHz
5.4 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
1024 MB
12 GB
VRAM (MB)
1,024
12,288
+1100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
86.40 GB/s
240.6 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
14.85 GPixel/s
42.85 GPixel/s
Texture Rate
59.39 GTexel/s
171.4 GTexel/s
FP32 (TFLOPS)
1,425.4 GFLOPS
4.113 TFLOPS
FP64 (TFLOPS)
59.39 GFLOPS (1:24)
1,371.1 GFLOPS (1:3)
Power
TDP
110 W
300 W
TDP (W)
110
300
+172.7%
Suggested PSU
300 W
700 W
Power Connectors
1x 6-pin
1x 8-pin
Architecture
Architecture
Kepler
Kepler 2.0
GPU Name
GK106S
GK210
Generation
GeForce 600
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
2,540 million
7,100 million
Die Size
221 mm²
561 mm²
Foundry
TSMC
TSMC
Density
11.5M / 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
3.0
3.7
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Single-slot
Dual-slot
Length
145 mm
5.7 inches
267 mm
10.5 inches
Outputs
2x DVI1x mini-HDMI 1.4a
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
149 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Tesla Fermi
Successor
GeForce 700
Tesla Maxwell