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
Quadro M6000
CORE STATE
GM200
VRAM
12 GB
CLOCK SPEED
1114 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
840M
Quadro M6000
Core Specs
Shading Units
384
3,072
+700.0%
Shaders
384
3,072
+700.0%
TMUs
16
192
+1100.0%
ROPs
8
96
+1100.0%
Clocks
Base Clock
1029 MHz
988 MHz
Boost Clock
1124 MHz
1114 MHz
Memory Clock
1001 MHz
2 Gbps effective
1653 MHz
6.6 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
384 bit
Bandwidth
16.02 GB/s
317.4 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
1024 KB
3 MB
Performance
Pixel Rate
8.992 GPixel/s
106.9 GPixel/s
Texture Rate
17.98 GTexel/s
213.9 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
6.844 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
213.9 GFLOPS (1:32)
Power
TDP
33 W
250 W
TDP (W)
33
250
+657.6%
Suggested PSU
—
600 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM108S
GM200
Generation
GeForce 800M
Quadro Maxwell
(Mx000)
Process Size
28 nm
28 nm
Transistors
1,020 million
8,000 million
Die Size
77 mm²
601 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
13.3M / 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
5.2
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
1x DVI4x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Quadro Kepler
Successor
GeForce 900M
Quadro Pascal