NVIDIA GeForce GTX 770 vs NVIDIA A800 PCIe 40 GB
GPU Specs Compare
Graphics Card
Release Date
May 2013
Nov 2022
Generation
GeForce 700
Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1046 MHz
765 MHz
Boost Clock
1085 MHz
1410 MHz
Memory Clock
1753 MHz
1215 MHz
Memory
Memory Size
2GB
40GB
Memory Type
GDDR5
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
224.4GB/s
1555GB/s
Render Config
Shading Units
1536
6912
TMUs
128
432
ROPs
32
160
L1 Cache
16 KB (per SMX)
192 KB (per SM)
L2 Cache
512 KB
40 MB
SM Count
-
108
Tensor Cores
-
432
Theoretical Performance
Pixel Rate
34.72 GPixel/s
225.6 GPixel/s
Texture Rate
138.9 GTexel/s
609.1 GTexel/s
FP32 (float)
3.333 TFLOPS
19.49 TFLOPS
FP64 (double)
138.9 GFLOPS
9.746 TFLOPS
FP16 (half)
-
77.97 TFLOPS
Graphics Processor
GPU Name
GK104
GA100
GPU Variant
GK104-425-A2
-
Architecture
Kepler
Ampere
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
3.54 billion
54.2 billion
Die Size
294 mm²
826 mm²
Board Design
TDP
230W
250W
Suggested PSU
550 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
8-pin EPS
Graphics Features
DirectX
12 (11_0)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.1
N/A
CUDA
3.0
8.0
Shader Model
5.1
N/A
📊 Benchmark
3DMark Time Spy
2,153
-
OctaneBench
38
-
Blender
252
-