NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce RTX 5070
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Mar 2025
Generation
Navi IV
GeForce 50
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1700 MHz
2325 MHz
Boost Clock
3130 MHz
2512 MHz
Memory Clock
2518 MHz
1750 MHz
Memory
Memory Size
8GB
12GB
Memory Type
GDDR6
GDDR7
Memory Bus
128bit
192bit
Bandwidth
322.3GB/s
672.0GB/s
Render Config
SM Count
80
48
Compute Units
32
-
Shading Units
2048
6144
TMUs
128
192
ROPs
64
80
Tensor Cores
320
192
RT Cores
32
48
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
4 MB
48 MB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
200.3 GPixel/s
201.0 GPixel/s
Texture Rate
400.6 GTexel/s
482.3 GTexel/s
FP16 (half)
51.28 TFLOPS
30.87 TFLOPS
FP32 (float)
25.64 TFLOPS
30.87 TFLOPS
FP64 (double)
801.3 GFLOPS
482.3 GFLOPS
Graphics Processor
GPU Name
Navi 44
GB205
GPU Variant
Navi 44 XT(215-176400102)
GB205-300-A1
Architecture
RDNA 4.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
29.7 billion
31.1 billion
Die Size
199 mm²
263 mm²
Board Design
TDP
150W
250W
Suggested PSU
450 W
600 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
1x 8-pin
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.4
CUDA
8.6
12.0
Shader Model
6.8
6.8
📊 Benchmark
Blender
5,956
6,218
3DMark Time Spy
-
22,544
3DMark Time Spy Extreme
-
10,789
3DMark Speed Way
-
5,896