NVIDIA GeForce RTX 3090 vs NVIDIA GeForce GTX 1080 Ti
GPU Specs Compare
Graphics Card
Release Date
Sep 2020
Mar 2017
Generation
GeForce 30
GeForce 10
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1395 MHz
1481 MHz
Boost Clock
1695 MHz
1582 MHz
Memory Clock
1219 MHz
1376 MHz
Memory
Memory Size
24GB
11GB
Memory Type
GDDR6X
GDDR5X
Memory Bus
384bit
352bit
Bandwidth
936.2GB/s
484.4GB/s
Render Config
SM Count
82
28
Shading Units
10496
3584
TMUs
328
224
ROPs
112
88
Tensor Cores
328
-
RT Cores
82
-
L1 Cache
128 KB (per SM)
48 KB (per SM)
L2 Cache
6 MB
0 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
139.2 GPixel/s
Texture Rate
556.0 GTexel/s
354.4 GTexel/s
FP16 (half)
35.58 TFLOPS
177.2 GFLOPS
FP32 (float)
35.58 TFLOPS
11.34 TFLOPS
FP64 (double)
556.0 GFLOPS
354.4 GFLOPS
Graphics Processor
GPU Name
GA102
GP102
GPU Variant
GA102-300-A1
GP102-350-K1-A1
Architecture
Ampere
Pascal
Foundry
Samsung
TSMC
Process Size
8 nm
16 nm
Transistors
28.3 billion
11.8 billion
Die Size
628 mm²
471 mm²
Board Design
TDP
350W
250W
Suggested PSU
750 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
1x 12-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.4
CUDA
8.6
6.1
Shader Model
6.6
6.8