NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon HD 7790
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Mar 2013
Generation
Navi IV
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1700 MHz
-
Boost Clock
3130 MHz
-
Memory Clock
2518 MHz
1500 MHz
Memory
Memory Size
8GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
128bit
Bandwidth
322.3GB/s
96.00GB/s
Render Config
SM Count
80
-
Compute Units
32
14
Shading Units
2048
896
TMUs
128
56
ROPs
64
16
Tensor Cores
320
-
RT Cores
32
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
200.3 GPixel/s
16.00 GPixel/s
Texture Rate
400.6 GTexel/s
56.00 GTexel/s
FP16 (half)
51.28 TFLOPS
-
FP32 (float)
25.64 TFLOPS
1.792 TFLOPS
FP64 (double)
801.3 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
Navi 44
Bonaire
GPU Variant
Navi 44 XT(215-176400102)
Bonaire XT(215-0839039)
Architecture
RDNA 4.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
29.7 billion
2.08 billion
Die Size
199 mm²
160 mm²
Board Design
TDP
150W
85W
Suggested PSU
450 W
250 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.0
Vulkan
1.3
1.2
CUDA
8.6
-
Shader Model
6.8
6.3
📊 Benchmark
Blender
5,956
-
3DMark Time Spy
-
1,307
3DMark Time Spy Extreme
-
409