NVIDIA RTX A400 vs NVIDIA GeForce GTX 780 Ti Engineering Sample
We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A400 's Advantages
Boost Clock has increased by 90% (1762MHz vs 928MHz)
More VRAM (4GB vs 3GB)
Lower TDP (50W vs 250W)
NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages
Larger VRAM bandwidth (336.6GB/s vs 96.00GB/s)
2112 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A400
2.706 TFLOPS
GeForce GTX 780 Ti Engineering Sample
+97%
5.345 TFLOPS
Graphics Card
Apr 2024
Release Date
Unknown
Quadro Ampere(Ax000)
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1417 MHz
Base Clock
875 MHz
1762 MHz
Boost Clock
928 MHz
1500 MHz
Memory Clock
1753 MHz
Memory
4GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
384bit
96.00GB/s
Bandwidth
336.6GB/s
Render Config
-
-
-
6
SM Count
-
768
Shading Units
2880
24
TMUs
240
16
ROPs
48
24
Tensor Cores
-
6
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
28.19 GPixel/s
Pixel Rate
55.68 GPixel/s
42.29 GTexel/s
Texture Rate
222.7 GTexel/s
2.706 TFLOPS
FP16 (half)
-
2.706 TFLOPS
FP32 (float)
5.345 TFLOPS
42.29 GFLOPS
FP64 (double)
222.7 GFLOPS
Board Design
50W
TDP
250W
250 W
Suggested PSU
600 W
4x mini-DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GA107
GPU Name
GK180
-
GPU Variant
GK180-425-A1
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
8.7 billion
Transistors
7.08 billion
200 mm²
Die Size
561 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.2.175
8.6
CUDA
3.5
6.8
Shader Model
5.1
