AMD Radeon R9 390 vs AMD Radeon 780M
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Jan 2023
Generation
Pirate Islands
Navi III IGP
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1500 MHz
System Shared
Base Clock
—
800 MHz
Boost Clock
—
2700 MHz
Memory
Memory Size
8GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
512bit
System Shared
Bandwidth
384.0GB/s
System Dependent
Render Config
Compute Units
40
12
Shading Units
2560
768
TMUs
160
48
ROPs
64
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
2 MB
RT Cores
—
12
Theoretical Performance
Pixel Rate
64.00 GPixel/s
86.40 GPixel/s
Texture Rate
160.0 GTexel/s
129.6 GTexel/s
FP32 (float)
5.120 TFLOPS
8.294 TFLOPS
FP64 (double)
640.0 GFLOPS
518.4 GFLOPS
FP16 (half)
—
16.59 TFLOPS
Graphics Processor
GPU Name
Grenada
Phoenix
GPU Variant
Grenada PRO(215-0880030)
—
Architecture
GCN 2.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
6.2 billion
25.39 billion
Die Size
438 mm²
178 mm²
Board Design
TDP
275W
15W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.7
Benchmark
3DMark Time Spy
3,964
2,775
3DMark Time Spy Extreme
1,931
1,324
3DMark Speed Way
—
458
Blender
—
350
▲ Specs Compare
Data sourced from official specifications and benchmark tests.