AMD Radeon R9 390X vs AMD Radeon RX 9070 GRE
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
May 2025
Generation
Pirate Islands
Navi IV
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1500 MHz
2250 MHz
Base Clock
—
1420 MHz
Boost Clock
—
2790 MHz
Memory
Memory Size
8GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
192bit
Bandwidth
384.0GB/s
432.0GB/s
Render Config
Compute Units
44
48
Shading Units
2816
3072
TMUs
176
192
ROPs
64
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
8 MB
SM Count
—
46
Tensor Cores
—
96
RT Cores
—
48
L3 Cache
—
48 MB
Theoretical Performance
Pixel Rate
67.20 GPixel/s
267.8 GPixel/s
Texture Rate
184.8 GTexel/s
535.7 GTexel/s
FP32 (float)
5.914 TFLOPS
34.28 TFLOPS
FP64 (double)
739.2 GFLOPS
1071.4 GFLOPS
FP16 (half)
—
68.57 TFLOPS
Graphics Processor
GPU Name
Grenada
Navi 48
GPU Variant
Grenada XT(215-0880004)
Navi 48 XL
Architecture
GCN 2.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
6.2 billion
53.9 billion
Die Size
438 mm²
357 mm²
Board Design
TDP
275W
220W
Suggested PSU
600 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.3
Shader Model
6.3
6.8
CUDA
—
12.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.