NVIDIA H800 PCIe 80 GB vs NVIDIA Tesla M40
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Nov 2015
Generation
Tesla Hopper
Tesla Maxwell
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1095 MHz
948 MHz
Boost Clock
1755 MHz
1112 MHz
Memory Clock
1593 MHz
1502 MHz
Memory
Memory Size
80GB
12GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
384bit
Bandwidth
2039GB/s
288.4GB/s
Render Config
SM Count
114
—
Shading Units
14592
3072
TMUs
456
192
ROPs
24
96
Tensor Cores
456
—
L1 Cache
256 KB (per SM)
48 KB (per SMM)
L2 Cache
50 MB
3 MB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
106.8 GPixel/s
Texture Rate
800.3 GTexel/s
213.5 GTexel/s
FP16 (half)
204.9 TFLOPS
—
FP32 (float)
51.22 TFLOPS
6.832 TFLOPS
FP64 (double)
25.61 TFLOPS
213.5 GFLOPS
Graphics Processor
GPU Name
GH100
GM200
Architecture
Hopper
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
80 billion
8 billion
Die Size
814 mm²
601 mm²
GPU Variant
—
GM200-895-A1
Board Design
TDP
350W
250W
Suggested PSU
750 W
600 W
Outputs
No outputs
No outputs
Power Connectors
1x 16-pin
8-pin EPS
Graphics Features
DirectX
N/A
12 (12_1)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
9.0
5.2
Shader Model
N/A
6.7
Benchmark
3DMark Time Spy
—
5,323
OctaneBench
—
123
Blender
—
106
▲ Specs Compare
Data sourced from official specifications and benchmark tests.