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
RTX A1000 Mobile
CORE STATE
GA107
VRAM
4 GB
CLOCK SPEED
1140 MHz
TDP
60 W
BUS WIDTH
128 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
840M
RTX A1000 Mobile
Core Specs
Shading Units
384
2,048
+433.3%
Shaders
384
2,048
+433.3%
TMUs
16
64
+300.0%
ROPs
8
32
+300.0%
SM Count
—
16
Clocks
Base Clock
1029 MHz
630 MHz
Boost Clock
1124 MHz
1140 MHz
Memory Clock
1001 MHz
2 Gbps effective
1375 MHz
11 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR6
Memory Bus
64 bit
128 bit
Bandwidth
16.02 GB/s
176.0 GB/s
Cache
L1 Cache
64 KB (per SMM)
128 KB (per SM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
8.992 GPixel/s
36.48 GPixel/s
Texture Rate
17.98 GTexel/s
72.96 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
4.669 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
72.96 GFLOPS (1:64)
FP16 (TFLOPS)
—
4.669 TFLOPS (1:1)
AI/RT
RT Cores
—
16
Tensor Cores
—
64
Power
TDP
33 W
60 W
TDP (W)
33
60
+81.8%
Power Connectors
None
None
Architecture
Architecture
Maxwell
Ampere
GPU Name
GM108S
GA107
Generation
GeForce 800M
Ampere-MW
(Ax000)
Process Size
28 nm
8 nm
Transistors
1,020 million
8,700 million
Die Size
77 mm²
200 mm²
Foundry
TSMC
Samsung
Density
13.2M / mm²
43.5M / mm²
API Support
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
8.6
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Quadro Turing-M
Successor
GeForce 900M
Ada-MW