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GPU Comparison
AMD Radeon R9 390X vs NVIDIA A2
AMD Radeon R9 390X vs NVIDIA A2
VS
AMD Radeon R9 390X
NVIDIA A2
We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 390X 's Advantages
Larger VRAM bandwidth (384.0GB/s vs 200.1GB/s)
1536 additional rendering cores
NVIDIA A2 's Advantages
Released 6 years and 5 months late
Boost Clock1770MHz
More VRAM (16GB vs 8GB)
Lower TDP (60W vs 275W)
Score
Benchmark
FP32 (float)
Radeon R9 390X
+30%
5.914 TFLOPS
A2
4.531 TFLOPS
Radeon R9 390X
VS
A2
Graphics Card
Jun 2015
Release Date
Nov 2021
Pirate Islands
Generation
Quadro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1440 MHz
-
Boost Clock
1770 MHz
1500 MHz
Memory Clock
1563 MHz
Memory
8GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
512bit
Memory Bus
128bit
384.0GB/s
Bandwidth
200.1GB/s
Render Config
-
SM Count
10
44
Compute Units
-
2816
Shading Units
1280
176
TMUs
40
64
ROPs
32
-
Tensor Cores
40
-
RT Cores
10
16 KB (per CU)
L1 Cache
128 KB (per SM)
1024 KB
L2 Cache
2 MB
Theoretical Performance
67.20 GPixel/s
Pixel Rate
56.64 GPixel/s
184.8 GTexel/s
Texture Rate
70.80 GTexel/s
-
FP16 (half)
4.531 TFLOPS
5.914 TFLOPS
FP32 (float)
4.531 TFLOPS
739.2 GFLOPS
FP64 (double)
70.80 GFLOPS
Graphics Processor
Grenada
GPU Name
GA107
Grenada XT (215-0880004)
GPU Variant
-
GCN 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
6.2 billion
Transistors
Unknown
438 mm²
Die Size
Unknown
Board Design
275W
TDP
60W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.6
6.3
Shader Model
6.6
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