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 4090 Mobile
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
1695 MHz
TDP
120 W
BUS WIDTH
256 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 4090 Mobile
Core Specs
Shading Units
384
9,728
+2433.3%
Shaders
384
9,728
+2433.3%
TMUs
16
304
+1800.0%
ROPs
8
112
+1300.0%
SM Count
—
76
Clocks
Base Clock
1029 MHz
1335 MHz
Boost Clock
1124 MHz
1695 MHz
Memory Clock
1001 MHz
2 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
DDR3
GDDR6
Memory Bus
64 bit
256 bit
Bandwidth
16.02 GB/s
576.0 GB/s
Cache
L1 Cache
64 KB (per SMM)
128 KB (per SM)
L2 Cache
1024 KB
64 MB
Performance
Pixel Rate
8.992 GPixel/s
189.8 GPixel/s
Texture Rate
17.98 GTexel/s
515.3 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
32.98 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
515.3 GFLOPS (1:64)
FP16 (TFLOPS)
—
32.98 TFLOPS (1:1)
AI/RT
RT Cores
—
76
Tensor Cores
—
304
Power
TDP
33 W
120 W
TDP (W)
33
120
+263.6%
Power Connectors
None
None
Architecture
Architecture
Maxwell
Ada Lovelace
GPU Name
GM108S
AD103
Generation
GeForce 800M
GeForce 40 Mobile
Process Size
28 nm
5 nm
Transistors
1,020 million
45,900 million
Die Size
77 mm²
379 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
121.1M / 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 x16
Other
Production
End-of-life
Active
Predecessor
GeForce 700M
GeForce 30 Mobile
Successor
GeForce 900M
GeForce 50 Mobile