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 P40
CORE STATE
GP102
VRAM
24 GB
CLOCK SPEED
1531 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 850M
Tesla P40
Core Specs
Shading Units
640
3,840
+500.0%
Shaders
640
3,840
+500.0%
TMUs
40
240
+500.0%
ROPs
16
96
+500.0%
SM Count
—
30
Clocks
Base Clock
—
1303 MHz
Boost Clock
—
1531 MHz
GPU Clock
902 MHz
—
Memory Clock
1001 MHz
2 Gbps effective
1808 MHz
7.2 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
32.03 GB/s
347.1 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SM)
L2 Cache
2 MB
3 MB
Performance
Pixel Rate
14.43 GPixel/s
147.0 GPixel/s
Texture Rate
36.08 GTexel/s
367.4 GTexel/s
FP32 (TFLOPS)
1,154.6 GFLOPS
11.76 TFLOPS
FP64 (TFLOPS)
36.08 GFLOPS (1:32)
367.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
183.7 GFLOPS (1:64)
Power
TDP
45 W
250 W
TDP (W)
45
250
+455.6%
Suggested PSU
—
600 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
Maxwell
Pascal
GPU Name
GM107
GP102
Generation
GeForce 800M
Tesla Pascal
(Pxx)
Process Size
28 nm
16 nm
Transistors
1,870 million
11,800 million
Die Size
148 mm²
471 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
25.1M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
6.1
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
5,699 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Tesla Maxwell
Successor
GeForce 900M
Tesla Volta