NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon R9 390
GPU Specs Compare
Graphics Card
Release Date
Sep 2022
Jun 2015
Generation
GeForce 40
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2205 MHz
-
Boost Clock
2505 MHz
-
Memory Clock
1400 MHz
1500 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6X
GDDR5
Memory Bus
256bit
512bit
Bandwidth
716.8GB/s
384.0GB/s
Render Config
SM Count
76
-
Shading Units
9728
2560
TMUs
304
160
ROPs
112
64
Tensor Cores
304
-
RT Cores
76
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
1024 KB
Compute Units
-
40
Theoretical Performance
Pixel Rate
280.6 GPixel/s
64.00 GPixel/s
Texture Rate
761.5 GTexel/s
160.0 GTexel/s
FP16 (half)
48.74 TFLOPS
-
FP32 (float)
48.74 TFLOPS
5.120 TFLOPS
FP64 (double)
761.5 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
AD103
Grenada
GPU Variant
AD103-300-A1
Grenada PRO(215-0880030)
Architecture
Ada Lovelace
GCN 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
45.9 billion
6.2 billion
Die Size
379 mm²
438 mm²
Board Design
TDP
320W
275W
Suggested PSU
700 W
600 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 16-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.9
-
Shader Model
6.6
6.3
📊 Benchmark
3DMark Time Spy
-
3,964
3DMark Time Spy Extreme
-
1,931