NVIDIA GeForce RTX 4090 vs NVIDIA GeForce GTX 780
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
May 2013
Generation
GeForce 40
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2235 MHz
863 MHz
Boost Clock
2520 MHz
902 MHz
Memory Clock
1313 MHz
1502 MHz
Memory
Memory Size
24GB
3GB
Memory Type
GDDR6X
GDDR5
Memory Bus
384bit
384bit
Bandwidth
1.01TB/s
288.4GB/s
Render Config
SM Count
128
—
Shading Units
16384
2304
TMUs
512
192
ROPs
176
48
Tensor Cores
512
—
RT Cores
128
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
72 MB
1536 KB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
43.30 GPixel/s
Texture Rate
1290.2 GTexel/s
173.2 GTexel/s
FP16 (half)
82.58 TFLOPS
—
FP32 (float)
82.58 TFLOPS
4.156 TFLOPS
FP64 (double)
1290.2 GFLOPS
173.2 GFLOPS
Graphics Processor
GPU Name
AD102
GK110
GPU Variant
AD102-300-A1
GK110-300-A1
Architecture
Ada Lovelace
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
76.3 billion
7.08 billion
Die Size
609 mm²
561 mm²
Board Design
TDP
450W
250W
Suggested PSU
850 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 16-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.2.175
CUDA
8.9
3.5
Shader Model
6.8
6.5 (5.1)
▲ Specs Compare
Data sourced from official specifications and benchmark tests.