NVIDIA GeForce RTX 3080 vs NVIDIA GeForce GTX 780 Ti Engineering Sample
GPU Specs Compare
Graphics Card
Release Date
Sep 2020
Unknown
Generation
GeForce 30
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1440 MHz
875 MHz
Boost Clock
1710 MHz
928 MHz
Memory Clock
1188 MHz
1753 MHz
Memory
Memory Size
10GB
3GB
Memory Type
GDDR6X
GDDR5
Memory Bus
320bit
384bit
Bandwidth
760.3GB/s
336.6GB/s
Render Config
SM Count
68
-
Shading Units
8704
2880
TMUs
272
240
ROPs
96
48
Tensor Cores
272
-
RT Cores
68
-
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
5 MB
1536 KB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
55.68 GPixel/s
Texture Rate
465.1 GTexel/s
222.7 GTexel/s
FP16 (half)
29.77 TFLOPS
-
FP32 (float)
29.77 TFLOPS
5.345 TFLOPS
FP64 (double)
465.1 GFLOPS
222.7 GFLOPS
Graphics Processor
GPU Name
GA102
GK180
GPU Variant
GA102-200-KD-A1
GK180-425-A1
Architecture
Ampere
Kepler
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
7.08 billion
Die Size
628 mm²
561 mm²
Board Design
TDP
320W
250W
Suggested PSU
700 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 12-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
1.3
1.2.175
CUDA
8.6
3.5
Shader Model
6.6
5.1
📊 Benchmark
3DMark Time Spy
17,662
-
3DMark Time Spy Extreme
8,879
-