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
GeForce RTX 4070 Mobile
CORE STATE
AD106
VRAM
8 GB
CLOCK SPEED
1695 MHz
TDP
115 W
BUS WIDTH
128 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
840M
RTX 4070 Mobile
Core Specs
Shading Units
384
4,608
+1100.0%
Shaders
384
4,608
+1100.0%
TMUs
16
144
+800.0%
ROPs
8
48
+500.0%
SM Count
—
36
Clocks
Base Clock
1029 MHz
1395 MHz
Boost Clock
1124 MHz
1695 MHz
Memory Clock
1001 MHz
2 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
DDR3
GDDR6
Memory Bus
64 bit
128 bit
Bandwidth
16.02 GB/s
256.0 GB/s
Cache
L1 Cache
64 KB (per SMM)
128 KB (per SM)
L2 Cache
1024 KB
32 MB
Performance
Pixel Rate
8.992 GPixel/s
81.36 GPixel/s
Texture Rate
17.98 GTexel/s
244.1 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
15.62 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
244.1 GFLOPS (1:64)
FP16 (TFLOPS)
—
15.62 TFLOPS (1:1)
AI/RT
RT Cores
—
36
Tensor Cores
—
144
Power
TDP
33 W
115 W
TDP (W)
33
115
+248.5%
Power Connectors
None
None
Architecture
Architecture
Maxwell
Ada Lovelace
GPU Name
GM108S
AD106
Generation
GeForce 800M
GeForce 40 Mobile
Process Size
28 nm
5 nm
Transistors
1,020 million
22,900 million
Die Size
77 mm²
188 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
121.8M / 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
8.9
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
Active
Predecessor
GeForce 700M
GeForce 30 Mobile
Successor
GeForce 900M
GeForce 50 Mobile