GPU Comparison
GEFORCE
NVIDIA GeForce GTX 850M
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
—
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
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 850M
Tesla K80
Core Specs
Shading Units
640
2,496
+290.0%
Shaders
640
2,496
+290.0%
TMUs
40
208
+420.0%
ROPs
16
48
+200.0%
Clocks
Base Clock
—
562 MHz
Boost Clock
—
824 MHz
GPU Clock
902 MHz
—
Memory Clock
1001 MHz
2 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
32.03 GB/s
240.6 GB/s
Cache
L1 Cache
64 KB (per SMM)
16 KB (per SMX)
L2 Cache
2 MB
1536 KB
Performance
Pixel Rate
14.43 GPixel/s
42.85 GPixel/s
Texture Rate
36.08 GTexel/s
171.4 GTexel/s
FP32 (TFLOPS)
1,154.6 GFLOPS
4.113 TFLOPS
FP64 (TFLOPS)
36.08 GFLOPS (1:32)
1,371.1 GFLOPS (1:3)
Power
TDP
45 W
300 W
TDP (W)
45
300
+566.7%
Suggested PSU
—
700 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
Maxwell
Kepler 2.0
GPU Name
GM107
GK210
Generation
GeForce 800M
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
1,870 million
7,100 million
Die Size
148 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
1.4
1.2.175
OpenCL
3.0
3.0
CUDA
5.0
3.7
Shader Model
6.7 (5.1)
6.5 (5.1)
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Tesla Fermi
Successor
GeForce 900M
Tesla Maxwell