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
PG506-232
CORE STATE
GA100
VRAM
24 GB
CLOCK SPEED
1440 MHz
TDP
165 W
BUS WIDTH
3072 bit
ARCHITECTURE
Ampere
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
840M
PG506-232
Core Specs
Shading Units
384
3,584
+833.3%
Shaders
384
3,584
+833.3%
TMUs
16
224
+1300.0%
ROPs
8
96
+1100.0%
SM Count
—
56
Clocks
Base Clock
1029 MHz
930 MHz
Boost Clock
1124 MHz
1440 MHz
Memory Clock
1001 MHz
2 Gbps effective
1215 MHz
2.4 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
DDR3
HBM2
Memory Bus
64 bit
3072 bit
Bandwidth
16.02 GB/s
933.1 GB/s
Cache
L1 Cache
64 KB (per SMM)
192 KB (per SM)
L2 Cache
1024 KB
24 MB
Performance
Pixel Rate
8.992 GPixel/s
138.2 GPixel/s
Texture Rate
17.98 GTexel/s
322.6 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
10.32 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
5.161 TFLOPS (1:2)
FP16 (TFLOPS)
—
10.32 TFLOPS (1:1)
AI/RT
Tensor Cores
—
224
Power
TDP
33 W
165 W
TDP (W)
33
165
+400.0%
Suggested PSU
—
450 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
Maxwell
Ampere
GPU Name
GM108S
GA100
Generation
GeForce 800M
Server Ampere
(Axx)
Process Size
28 nm
7 nm
Transistors
1,020 million
54,200 million
Die Size
77 mm²
826 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
65.6M / mm²
API Support
DirectX
12 (11_0)
—
OpenGL
4.6
—
Vulkan
1.4
—
OpenCL
3.0
3.0
CUDA
5.0
8.0
Shader Model
6.7 (5.1)
—
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
Tesla Turing
Successor
GeForce 900M
Server Ada