AMD Radeon R9 390 X2 vs NVIDIA RTX A4000H
GPU · Specs Compare
Graphics Card
Release Date
Sep 2015
Apr 2021
Generation
Pirate Islands
Quadro Ampere
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1350 MHz
1750 MHz
Base Clock
—
735 MHz
Boost Clock
—
1560 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
256bit
Bandwidth
345.6GB/s
448.0GB/s
Render Config
Compute Units
40
—
Shading Units
2560
6144
TMUs
160
192
ROPs
64
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
4 MB
SM Count
—
48
Tensor Cores
—
192
RT Cores
—
48
Theoretical Performance
Pixel Rate
64.00 GPixel/s
149.8 GPixel/s
Texture Rate
160.0 GTexel/s
299.5 GTexel/s
FP32 (float)
5.120 TFLOPS
19.17 TFLOPS
FP64 (double)
640.0 GFLOPS
299.5 GFLOPS
FP16 (half)
—
19.17 TFLOPS
Graphics Processor
GPU Name
Grenada
GA104
GPU Variant
Grenada PRO(215-0880030)
GA104-???-A1
Architecture
GCN 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
6.2 billion
17.4 billion
Die Size
438 mm²
392 mm²
Board Design
TDP
580W
140W
Suggested PSU
950 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 1.4a
Power Connectors
4x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.7
CUDA
—
8.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.