AMD Radeon R9 390 vs NVIDIA GeForce RTX 5080 SUPER
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Unknown
Generation
Pirate Islands
GeForce 50
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1500 MHz
2000 MHz
Base Clock
—
2295 MHz
Boost Clock
—
2617 MHz
Memory
Memory Size
8GB
24GB
Memory Type
GDDR5
GDDR7
Memory Bus
512bit
256bit
Bandwidth
384.0GB/s
1.02TB/s
Render Config
Compute Units
40
—
Shading Units
2560
10752
TMUs
160
336
ROPs
64
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
64 MB
SM Count
—
84
Tensor Cores
—
336
RT Cores
—
84
Theoretical Performance
Pixel Rate
64.00 GPixel/s
293.1 GPixel/s
Texture Rate
160.0 GTexel/s
879.3 GTexel/s
FP32 (float)
5.120 TFLOPS
56.28 TFLOPS
FP64 (double)
640.0 GFLOPS
879.3 GFLOPS
FP16 (half)
—
56.28 TFLOPS
Graphics Processor
GPU Name
Grenada
GB203
GPU Variant
Grenada PRO(215-0880030)
GB203-450-A1
Architecture
GCN 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
6.2 billion
45.6 billion
Die Size
438 mm²
378 mm²
Board Design
TDP
275W
415W
Suggested PSU
600 W
800 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
1x 6-pin + 1x 8-pin
1x 16-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.4
Shader Model
6.3
6.9
CUDA
—
12.0
Benchmark
3DMark Time Spy
3,964
—
3DMark Time Spy Extreme
1,931
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.