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 2000
CORE STATE
GF106
VRAM
1024 MB
CLOCK SPEED
—
TDP
62 W
BUS WIDTH
128 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
840M
Quadro 2000
Core Specs
Shading Units
384
192
-50.0%
Shaders
384
192
-50.0%
TMUs
16
32
+100.0%
ROPs
8
16
+100.0%
SM Count
—
4
Clocks
Base Clock
1029 MHz
—
Boost Clock
1124 MHz
—
GPU Clock
—
625 MHz
Shader Clock
—
1250 MHz
Memory Clock
1001 MHz
2 Gbps effective
650 MHz
2.6 Gbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
128 bit
Bandwidth
16.02 GB/s
41.60 GB/s
Cache
L1 Cache
64 KB (per SMM)
64 KB (per SM)
L2 Cache
1024 KB
256 KB
Performance
Pixel Rate
8.992 GPixel/s
5.000 GPixel/s
Texture Rate
17.98 GTexel/s
20.00 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
480.0 GFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
40.00 GFLOPS (1:12)
Power
TDP
33 W
62 W
TDP (W)
33
62
+87.9%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
Maxwell
Fermi
GPU Name
GM108S
GF106
Generation
GeForce 800M
Quadro Fermi
(x000)
Process Size
28 nm
40 nm
Transistors
1,020 million
1,170 million
Die Size
77 mm²
238 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
4.9M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
—
OpenCL
3.0
1.1
CUDA
5.0
2.1
Shader Model
6.7 (5.1)
5.1
Physical
Slot Width
IGP
Single-slot
Length
—
178 mm
7 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI2x DisplayPort
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
599 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Quadro FX Tesla
Successor
GeForce 900M
Quadro Kepler