AMD Radeon R9 270X vs NVIDIA H800 SXM5
GPU Specs Compare
Graphics Card
Release Date
Oct 2013
Mar 2023
Generation
Volcanic Islands
Server Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
1095 MHz
Boost Clock
1050 MHz
1755 MHz
Memory Clock
1400 MHz
1313 MHz
Memory
Memory Size
2GB
80GB
Memory Type
GDDR5
HBM3
Memory Bus
256bit
5120bit
Bandwidth
179.2GB/s
3.36TB/s
Render Config
Compute Units
20
-
Shading Units
1280
16896
TMUs
80
528
ROPs
32
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
50 MB
SM Count
-
132
Tensor Cores
-
528
Theoretical Performance
Pixel Rate
33.60 GPixel/s
42.12 GPixel/s
Texture Rate
84.00 GTexel/s
926.6 GTexel/s
FP32 (float)
2.688 TFLOPS
59.30 TFLOPS
FP64 (double)
168.0 GFLOPS
29.65 TFLOPS
FP16 (half)
-
237.2 TFLOPS
Graphics Processor
GPU Name
Curacao
GH100
GPU Variant
Curacao XT(215-0848004)
-
Architecture
GCN 1.0
Hopper
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
80 billion
Die Size
212 mm²
814 mm²
Board Design
TDP
180W
700W
Suggested PSU
450 W
1100 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
8-pin EPS
Graphics Features
DirectX
12 (11_1)
N/A
OpenGL
4.6
N/A
OpenCL
1.2
3.0
Vulkan
1.2
N/A
Shader Model
5.1
N/A
CUDA
-
9.0
📊 Benchmark
3DMark Time Spy
1,769
-