NVIDIA A800 SXM4 80 GB vs AMD Radeon R9 270X
GPU · Specs Compare
Graphics Card
Release Date
Aug 2022
Oct 2013
Generation
Ampere
Volcanic Islands
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1155 MHz
1000 MHz
Boost Clock
1410 MHz
1050 MHz
Memory Clock
1593 MHz
1400 MHz
Memory
Memory Size
80GB
2GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
179.2GB/s
Render Config
SM Count
108
—
Shading Units
6912
1280
TMUs
432
80
ROPs
160
32
Tensor Cores
432
—
L1 Cache
192 KB (per SM)
16 KB (per CU)
L2 Cache
40 MB
512 KB
Compute Units
—
20
Theoretical Performance
Pixel Rate
225.6 GPixel/s
33.60 GPixel/s
Texture Rate
609.1 GTexel/s
84.00 GTexel/s
FP16 (half)
77.97 TFLOPS
—
FP32 (float)
19.49 TFLOPS
2.688 TFLOPS
FP64 (double)
9.746 TFLOPS
168.0 GFLOPS
Graphics Processor
GPU Name
GA100
Curacao
Architecture
Ampere
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
54.2 billion
2.8 billion
Die Size
826 mm²
212 mm²
GPU Variant
—
Curacao XT(215-0848004)
Board Design
TDP
400W
180W
Suggested PSU
800 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
CUDA
8.0
—
Shader Model
N/A
5.1
Benchmark
3DMark Time Spy
—
1,769
▲ Specs Compare
Data sourced from official specifications and benchmark tests.