AMD Radeon RX 9070 vs AMD Radeon R9 390
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Jun 2015
Generation
Navi IV
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1330 MHz
-
Boost Clock
2520 MHz
-
Memory Clock
2518 MHz
1500 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
512bit
Bandwidth
644.6GB/s
384.0GB/s
Render Config
Compute Units
56
40
Shading Units
3584
2560
TMUs
224
160
ROPs
128
64
Tensor Cores
112
-
RT Cores
56
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
8 MB
1024 KB
L3 Cache
64 MB
-
Theoretical Performance
Pixel Rate
322.6 GPixel/s
64.00 GPixel/s
Texture Rate
564.5 GTexel/s
160.0 GTexel/s
FP16 (half)
72.25 TFLOPS
-
FP32 (float)
36.13 TFLOPS
5.120 TFLOPS
FP64 (double)
1129 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
Navi 48
Grenada
GPU Variant
Navi 48 XT(215-176600331)
Grenada PRO(215-0880030)
Architecture
RDNA 4.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
53.9 billion
6.2 billion
Die Size
357 mm²
438 mm²
Board Design
TDP
220W
275W
Suggested PSU
550 W
600 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.0
Vulkan
1.3
1.2
Shader Model
6.8
6.3
📊 Benchmark
3DMark Time Spy
-
3,964
3DMark Time Spy Extreme
-
1,931