GPU Comparison
GEFORCE
NVIDIA GeForce 840M
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
33 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Tesla M10
CORE STATE
GM107
VRAM
8 GB
CLOCK SPEED
1306 MHz
TDP
225 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
840M
Tesla M10
Core Specs
Shading Units
384
640
+66.7%
Shaders
384
640
+66.7%
TMUs
16
40
+150.0%
ROPs
8
16
+100.0%
Clocks
Base Clock
1029 MHz
1033 MHz
Boost Clock
1124 MHz
1306 MHz
Memory Clock
1001 MHz
2 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
128 bit
Bandwidth
16.02 GB/s
83.20 GB/s
Cache
L1 Cache
64 KB (per SMM)
64 KB (per SMM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
8.992 GPixel/s
20.90 GPixel/s
Texture Rate
17.98 GTexel/s
52.24 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
1.672 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
52.24 GFLOPS (1:32)
Power
TDP
33 W
225 W
TDP (W)
33
225
+581.8%
Suggested PSU
—
550 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
Maxwell
Maxwell
GPU Name
GM108S
GM107
Generation
GeForce 800M
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
1,020 million
1,870 million
Die Size
77 mm²
148 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
12.6M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
5.0
Shader Model
6.7 (5.1)
6.7 (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 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Tesla Kepler
Successor
GeForce 900M
Tesla Pascal