NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 3080 Ti
GPU · Specs Compare
Graphics Card
Release Date
Sep 2020
May 2021
Generation
GeForce 30
GeForce 30
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1395 MHz
1365 MHz
Boost Clock
1695 MHz
1665 MHz
Memory Clock
1219 MHz
1188 MHz
Memory
Memory Size
24GB
12GB
Memory Type
GDDR6X
GDDR6X
Memory Bus
384bit
384bit
Bandwidth
936.2GB/s
912.4GB/s
Render Config
SM Count
82
80
Shading Units
10496
10240
TMUs
328
320
ROPs
112
112
Tensor Cores
328
320
RT Cores
82
80
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
6 MB
6 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
186.5 GPixel/s
Texture Rate
556.0 GTexel/s
532.8 GTexel/s
FP16 (half)
35.58 TFLOPS
34.10 TFLOPS
FP32 (float)
35.58 TFLOPS
34.10 TFLOPS
FP64 (double)
556.0 GFLOPS
532.8 GFLOPS
Graphics Processor
GPU Name
GA102
GA102
GPU Variant
GA102-300-A1
GA102-225-A1
Architecture
Ampere
Ampere
Foundry
Samsung
Samsung
Process Size
8 nm
8 nm
Transistors
28.3 billion
28.3 billion
Die Size
628 mm²
628 mm²
Board Design
TDP
350W
350W
Suggested PSU
750 W
750 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 12-pin
1x 12-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.6
8.6
Shader Model
6.6
6.6
Benchmark
3DMark Time Spy
—
19,629
3DMark Time Spy Extreme
—
10,032
3DMark Speed Way
—
5,330
▲ Specs Compare
Data sourced from official specifications and benchmark tests.