NVIDIA A800 PCIe 40 GB vs AMD Radeon R7 265
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Feb 2014
Generation
Ampere
Volcanic Islands
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
765 MHz
900 MHz
Boost Clock
1410 MHz
925 MHz
Memory Clock
1215 MHz
1400 MHz
Memory
Memory Size
40GB
2GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
256bit
Bandwidth
1555GB/s
179.2GB/s
Render Config
SM Count
108
-
Shading Units
6912
1024
TMUs
432
64
ROPs
160
32
Tensor Cores
432
-
L1 Cache
192 KB (per SM)
16 KB (per CU)
L2 Cache
40 MB
512 KB
Compute Units
-
16
Theoretical Performance
Pixel Rate
225.6 GPixel/s
29.60 GPixel/s
Texture Rate
609.1 GTexel/s
59.20 GTexel/s
FP16 (half)
77.97 TFLOPS
-
FP32 (float)
19.49 TFLOPS
1.894 TFLOPS
FP64 (double)
9.746 TFLOPS
118.4 GFLOPS
Graphics Processor
GPU Name
GA100
Pitcairn
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
-
Pitcairn PRO(215-0828062)
Board Design
TDP
250W
150W
Suggested PSU
600 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
8-pin EPS
1x 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