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GPU Comparison
NVIDIA GeForce RTX 4090 Ti vs AMD Radeon R9 390 X2
NVIDIA GeForce RTX 4090 Ti vs AMD Radeon R9 390 X2
VS
NVIDIA GeForce RTX 4090 Ti
AMD Radeon R9 390 X2
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090 Ti 's Advantages
Boost Clock2565MHz
More VRAM (24GB vs 8GB)
Larger VRAM bandwidth (1152GB/s vs 345.6GB/s)
15616 additional rendering cores
AMD Radeon R9 390 X2 's Advantages
Lower TDP (580W vs 600W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Ti
+1721%
93.24 TFLOPS
Radeon R9 390 X2
5.12 TFLOPS
GeForce RTX 4090 Ti
VS
Radeon R9 390 X2
Graphics Card
Unknown
Release Date
Sep 2015
GeForce 40
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2325 MHz
Base Clock
-
2565 MHz
Boost Clock
-
1500 MHz
Memory Clock
1350 MHz
Memory
24GB
Memory Size
8GB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
512bit
1152GB/s
Bandwidth
345.6GB/s
Render Config
142
SM Count
-
-
Compute Units
40
18176
Shading Units
2560
568
TMUs
160
192
ROPs
64
568
Tensor Cores
-
142
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
96 MB
L2 Cache
1024 KB
Theoretical Performance
492.5 GPixel/s
Pixel Rate
64.00 GPixel/s
1457 GTexel/s
Texture Rate
160.0 GTexel/s
93.24 TFLOPS
FP16 (half)
-
93.24 TFLOPS
FP32 (float)
5.120 TFLOPS
1457 GFLOPS
FP64 (double)
640.0 GFLOPS
Graphics Processor
AD102
GPU Name
Grenada
AD102-400-A1
GPU Variant
Grenada PRO (215-0880030)
Ada Lovelace
Architecture
GCN 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
76.3 billion
Transistors
6.2 billion
609 mm²
Die Size
438 mm²
Board Design
600W
TDP
580W
1000 W
Suggested PSU
950 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 16-pin
Power Connectors
4x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
6.3
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