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
TITAN V CEO Edition
CORE STATE
GV100
VRAM
32 GB
CLOCK SPEED
1455 MHz
TDP
250 W
BUS WIDTH
4096 bit
ARCHITECTURE
Volta
PROCESS
12 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
passmark_g2d
passmark_g3d
DETAILED SPECIFICATIONS
SPECIFICATION
840M
TITAN V CEO Edition
Core Specs
Shading Units
384
5,120
+1233.3%
Shaders
384
5,120
+1233.3%
TMUs
16
320
+1900.0%
ROPs
8
128
+1500.0%
SM Count
—
80
Clocks
Base Clock
1029 MHz
1200 MHz
Boost Clock
1124 MHz
1455 MHz
Memory Clock
1001 MHz
2 Gbps effective
848 MHz
1696 Mbps effective
Memory
Memory Size
2 GB
32 GB
VRAM (MB)
2,048
32,768
+1500.0%
Memory Type
DDR3
HBM2
Memory Bus
64 bit
4096 bit
Bandwidth
16.02 GB/s
868.4 GB/s
Cache
L1 Cache
64 KB (per SMM)
128 KB (per SM)
L2 Cache
1024 KB
6 MB
Performance
Pixel Rate
8.992 GPixel/s
186.2 GPixel/s
Texture Rate
17.98 GTexel/s
465.6 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
14.90 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
7.450 TFLOPS (1:2)
FP16 (TFLOPS)
—
29.80 TFLOPS (2:1)
AI/RT
Tensor Cores
—
640
Power
TDP
33 W
250 W
TDP (W)
33
250
+657.6%
Suggested PSU
—
600 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Maxwell
Volta
GPU Name
GM108S
GV100
Generation
GeForce 800M
GeForce 10
Process Size
28 nm
12 nm
Transistors
1,020 million
21,100 million
Die Size
77 mm²
815 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
25.9M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
7.0
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
Portable Device Dependent
1x HDMI 2.03x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
GeForce 900
Successor
GeForce 900M
GeForce 20