GPU Comparison
GEFORCE
NVIDIA GeForce GTX 1080
CORE STATE
GP104
VRAM
8 GB
CLOCK SPEED
1733 MHz
TDP
180 W
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
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
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 1080
Tesla K20m
Core Specs
Shading Units
2,560
2,496
-2.5%
Shaders
2,560
2,496
-2.5%
TMUs
160
208
+30.0%
ROPs
64
40
-37.5%
SM Count
20
—
Clocks
Base Clock
1607 MHz
—
Boost Clock
1733 MHz
—
GPU Clock
—
706 MHz
Memory Clock
1251 MHz
10 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
8 GB
5 GB
VRAM (MB)
8,192
5,120
-37.5%
Memory Type
GDDR5X
GDDR5
Memory Bus
256 bit
320 bit
Bandwidth
320.3 GB/s
208.0 GB/s
Cache
L1 Cache
48 KB (per SM)
16 KB (per SMX)
L2 Cache
2 MB
1280 KB
Performance
Pixel Rate
110.9 GPixel/s
36.71 GPixel/s
Texture Rate
277.3 GTexel/s
146.8 GTexel/s
FP32 (TFLOPS)
8.873 TFLOPS
3.524 TFLOPS
FP64 (TFLOPS)
277.3 GFLOPS (1:32)
1,174.8 GFLOPS (1:3)
FP16 (TFLOPS)
138.6 GFLOPS (1:64)
—
Power
TDP
180 W
225 W
TDP (W)
180
225
+25.0%
Suggested PSU
450 W
550 W
Power Connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
Pascal
Kepler
GPU Name
GP104
GK110
Generation
GeForce 10
Tesla Kepler
(Kxx)
Process Size
16 nm
28 nm
Transistors
7,200 million
7,080 million
Die Size
314 mm²
561 mm²
Foundry
TSMC
TSMC
Density
22.9M / mm²
12.6M / mm²
API Support
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
3.0
3.0
CUDA
6.1
3.5
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
267 mm
10.5 inches
Height
112 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
599 USD
3,199 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 900
Tesla Fermi
Successor
GeForce 20
Tesla Maxwell