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 6000
CORE STATE
GF100
VRAM
6 GB
CLOCK SPEED
—
TDP
204 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
840M
Quadro 6000
Core Specs
Shading Units
384
448
+16.7%
Shaders
384
448
+16.7%
TMUs
16
56
+250.0%
ROPs
8
48
+500.0%
SM Count
—
14
Clocks
Base Clock
1029 MHz
—
Boost Clock
1124 MHz
—
GPU Clock
—
574 MHz
Shader Clock
—
1147 MHz
Memory Clock
1001 MHz
2 Gbps effective
747 MHz
3 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
384 bit
Bandwidth
16.02 GB/s
143.4 GB/s
Cache
L1 Cache
64 KB (per SMM)
64 KB (per SM)
L2 Cache
1024 KB
768 KB
Performance
Pixel Rate
8.992 GPixel/s
16.07 GPixel/s
Texture Rate
17.98 GTexel/s
32.14 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
1,027.7 GFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
513.9 GFLOPS (1:2)
Power
TDP
33 W
204 W
TDP (W)
33
204
+518.2%
Suggested PSU
—
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Maxwell
Fermi
GPU Name
GM108S
GF100
Generation
GeForce 800M
Quadro Fermi
(x000)
Process Size
28 nm
40 nm
Transistors
1,020 million
3,100 million
Die Size
77 mm²
529 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
5.9M / 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
2.0
Shader Model
6.7 (5.1)
5.1
Physical
Slot Width
IGP
Dual-slot
Length
—
248 mm
9.8 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI2x DisplayPort1x S-Video
Bus Interface
PCIe 3.0 x8
PCIe 2.0 x16
Other
Launch Price
—
4,399 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Quadro FX Tesla
Successor
GeForce 900M
Quadro Kepler