AMD Radeon R9 390 vs NVIDIA RTX A2000
GPU Specs Compare
Graphics Card
Release Date
Jun 2015
Aug 2021
Generation
Pirate Islands
Quadro Ampere
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1500 MHz
1500 MHz
Base Clock
-
562 MHz
Boost Clock
-
1200 MHz
Memory
Memory Size
8GB
6GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
192bit
Bandwidth
384.0GB/s
288.0GB/s
Render Config
Compute Units
40
-
Shading Units
2560
3328
TMUs
160
104
ROPs
64
48
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
3 MB
SM Count
-
26
Tensor Cores
-
104
RT Cores
-
26
Theoretical Performance
Pixel Rate
64.00 GPixel/s
57.60 GPixel/s
Texture Rate
160.0 GTexel/s
124.8 GTexel/s
FP32 (float)
5.120 TFLOPS
7.987 TFLOPS
FP64 (double)
640.0 GFLOPS
124.8 GFLOPS
FP16 (half)
-
7.987 TFLOPS
Graphics Processor
GPU Name
Grenada
GA106
GPU Variant
Grenada PRO(215-0880030)
GA106-850-A1
Architecture
GCN 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
6.2 billion
12 billion
Die Size
438 mm²
276 mm²
Board Design
TDP
275W
70W
Suggested PSU
600 W
250 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x mini-DisplayPort 1.4a
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
6.7
CUDA
-
8.6
📊 Benchmark
3DMark Time Spy
3,964
-
3DMark Time Spy Extreme
1,931
-