NVIDIA GeForce RTX 5080 vs AMD Radeon R9 390X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2025
Jun 2015
Generation
GeForce 50
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2295 MHz
—
Boost Clock
2617 MHz
—
Memory Clock
1875 MHz
1500 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
512bit
Bandwidth
960.0GB/s
384.0GB/s
Render Config
SM Count
84
—
Shading Units
10752
2816
TMUs
336
176
ROPs
112
64
Tensor Cores
336
—
RT Cores
84
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
1024 KB
Compute Units
—
44
Theoretical Performance
Pixel Rate
293.1 GPixel/s
67.20 GPixel/s
Texture Rate
879.3 GTexel/s
184.8 GTexel/s
FP16 (half)
56.28 TFLOPS
—
FP32 (float)
56.28 TFLOPS
5.914 TFLOPS
FP64 (double)
879.3 GFLOPS
739.2 GFLOPS
Graphics Processor
GPU Name
GB203
Grenada
GPU Variant
GB203-400-A1
Grenada XT(215-0880004)
Architecture
Blackwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
6.2 billion
Die Size
378 mm²
438 mm²
Board Design
TDP
360W
275W
Suggested PSU
750 W
600 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
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
1.4
1.2
CUDA
12.0
—
Shader Model
6.8
6.3
Benchmark
3DMark Time Spy
33,116
—
3DMark Time Spy Extreme
16,627
—
3DMark Speed Way
9,296
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.