NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA GeForce RTX 3080 Ti
GPU Specs Compare
Graphics Card
Release Date
Sep 2013
May 2021
Generation
GeForce 700
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
863 MHz
1365 MHz
Boost Clock
902 MHz
1665 MHz
Memory Clock
1502 MHz
1188 MHz
Memory
Memory Size
3GB
12GB
Memory Type
GDDR5
GDDR6X
Memory Bus
384bit
384bit
Bandwidth
288.4GB/s
912.4GB/s
Render Config
Shading Units
2304
10240
TMUs
192
320
ROPs
48
112
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1536 KB
6 MB
SM Count
-
80
Tensor Cores
-
320
RT Cores
-
80
Theoretical Performance
Pixel Rate
43.30 GPixel/s
186.5 GPixel/s
Texture Rate
173.2 GTexel/s
532.8 GTexel/s
FP32 (float)
4.156 TFLOPS
34.10 TFLOPS
FP64 (double)
173.2 GFLOPS
532.8 GFLOPS
FP16 (half)
-
34.10 TFLOPS
Graphics Processor
GPU Name
GK110B
GA102
GPU Variant
GK110-300-B1
GA102-225-A1
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
7.08 billion
28.3 billion
Die Size
561 mm²
628 mm²
Board Design
TDP
250W
350W
Suggested PSU
600 W
750 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
1x 12-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
8.6
Shader Model
5.1
6.6
📊 Benchmark
3DMark Time Spy
-
19,629
3DMark Time Spy Extreme
-
10,032
3DMark Speed Way
-
5,330