AMD Radeon R9 390 vs AMD Radeon RX 6700M
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
May 2021
Generation
Pirate Islands
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1500 MHz
2000 MHz
Base Clock
—
1489 MHz
Boost Clock
—
2400 MHz
Memory
Memory Size
8GB
10GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
160bit
Bandwidth
384.0GB/s
320.0GB/s
Render Config
Compute Units
40
36
Shading Units
2560
2304
TMUs
160
144
ROPs
64
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
3 MB
RT Cores
—
36
L3 Cache
—
80 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
153.6 GPixel/s
Texture Rate
160.0 GTexel/s
345.6 GTexel/s
FP32 (float)
5.120 TFLOPS
11.06 TFLOPS
FP64 (double)
640.0 GFLOPS
691.2 GFLOPS
FP16 (half)
—
22.12 TFLOPS
Graphics Processor
GPU Name
Grenada
Navi 22
GPU Variant
Grenada PRO(215-0880030)
Navi 22
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
6.2 billion
17.2 billion
Die Size
438 mm²
335 mm²
Board Design
TDP
275W
135W
Suggested PSU
600 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
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
6.5
Benchmark
3DMark Time Spy
3,964
—
3DMark Time Spy Extreme
1,931
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.