AMD Radeon R9 390 vs NVIDIA RTX A4000 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Apr 2021
Generation
Pirate Islands
Ampere-MW
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1500 MHz
1500 MHz
Base Clock
—
1140 MHz
Boost Clock
—
1680 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
256bit
Bandwidth
384.0GB/s
384.0GB/s
Render Config
Compute Units
40
—
Shading Units
2560
5120
TMUs
160
160
ROPs
64
80
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
4 MB
SM Count
—
40
Tensor Cores
—
160
RT Cores
—
40
Theoretical Performance
Pixel Rate
64.00 GPixel/s
134.4 GPixel/s
Texture Rate
160.0 GTexel/s
268.8 GTexel/s
FP32 (float)
5.120 TFLOPS
17.20 TFLOPS
FP64 (double)
640.0 GFLOPS
268.8 GFLOPS
FP16 (half)
—
17.20 TFLOPS
Graphics Processor
GPU Name
Grenada
GA104
GPU Variant
Grenada PRO(215-0880030)
—
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
275W
115W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
None
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
6.8
CUDA
—
8.6
Benchmark
3DMark Time Spy
3,964
—
3DMark Time Spy Extreme
1,931
—
Blender
—
2,825
▲ Specs Compare
Data sourced from official specifications and benchmark tests.