NVIDIA GeForce RTX 3090 Ti vs AMD Radeon Pro Vega 20
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Nov 2018
Generation
GeForce 30
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1560 MHz
815 MHz
Boost Clock
1860 MHz
1283 MHz
Memory Clock
1313 MHz
740 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR6X
HBM2
Memory Bus
384bit
1024bit
Bandwidth
1.01TB/s
189.4GB/s
Render Config
SM Count
84
-
Shading Units
10752
1280
TMUs
336
80
ROPs
112
32
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
1024 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
208.3 GPixel/s
41.06 GPixel/s
Texture Rate
625.0 GTexel/s
102.6 GTexel/s
FP16 (half)
40.00 TFLOPS
6.569 TFLOPS
FP32 (float)
40.00 TFLOPS
3.284 TFLOPS
FP64 (double)
625.0 GFLOPS
205.3 GFLOPS
Graphics Processor
GPU Name
GA102
Vega 12
GPU Variant
GA102-350-A1
Vega 12 XTA
Architecture
Ampere
GCN 5.0
Foundry
Samsung
GlobalFoundries
Process Size
8 nm
14 nm
Transistors
28.3 billion
Unknown
Die Size
628 mm²
Unknown
Board Design
TDP
450W
100W
Suggested PSU
850 W
-
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2
CUDA
8.6
-
Shader Model
6.8
6.3
📊 Benchmark
3DMark Time Spy
21,832
2,596
3DMark Time Spy Extreme
11,318
1,211
3DMark Speed Way
5,903
-
Blender
6,217
-