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 M2000
CORE STATE
GM206
VRAM
4 GB
CLOCK SPEED
1163 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
840M
Quadro M2000
Core Specs
Shading Units
384
768
+100.0%
Shaders
384
768
+100.0%
TMUs
16
48
+200.0%
ROPs
8
32
+300.0%
Clocks
Base Clock
1029 MHz
796 MHz
Boost Clock
1124 MHz
1163 MHz
Memory Clock
1001 MHz
2 Gbps effective
1653 MHz
6.6 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
128 bit
Bandwidth
16.02 GB/s
105.8 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
1024 KB
1024 KB
Performance
Pixel Rate
8.992 GPixel/s
37.22 GPixel/s
Texture Rate
17.98 GTexel/s
55.82 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
1.786 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
55.82 GFLOPS (1:32)
Power
TDP
33 W
75 W
TDP (W)
33
75
+127.3%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM108S
GM206
Generation
GeForce 800M
Quadro Maxwell
(Mx000)
Process Size
28 nm
28 nm
Transistors
1,020 million
2,940 million
Die Size
77 mm²
228 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
12.9M / 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
Single-slot
Length
—
201 mm
7.9 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
4x 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