NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce GTX 770
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
May 2013
Generation
Navi IV
GeForce 700
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1700 MHz
1046 MHz
Boost Clock
3130 MHz
1085 MHz
Memory Clock
2518 MHz
1753 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
322.3GB/s
224.4GB/s
Render Config
SM Count
80
-
Compute Units
32
-
Shading Units
2048
1536
TMUs
128
128
ROPs
64
32
Tensor Cores
320
-
RT Cores
32
-
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
4 MB
512 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
200.3 GPixel/s
34.72 GPixel/s
Texture Rate
400.6 GTexel/s
138.9 GTexel/s
FP16 (half)
51.28 TFLOPS
-
FP32 (float)
25.64 TFLOPS
3.333 TFLOPS
FP64 (double)
801.3 GFLOPS
138.9 GFLOPS
Graphics Processor
GPU Name
Navi 44
GK104
GPU Variant
Navi 44 XT(215-176400102)
GK104-425-A2
Architecture
RDNA 4.0
Kepler
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
29.7 billion
3.54 billion
Die Size
199 mm²
294 mm²
Board Design
TDP
150W
230W
Suggested PSU
450 W
550 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.1
CUDA
8.6
3.0
Shader Model
6.8
5.1
📊 Benchmark
Blender
5,956
252
3DMark Time Spy
-
2,153
OctaneBench
-
38