AMD Radeon RX 6800M vs AMD Radeon E9390 PCIe
GPU · Specs Compare
Graphics Card
Release Date
May 2021
Oct 2019
Generation
Mobility Radeon
Embedded
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2116 MHz
713 MHz
Boost Clock
2390 MHz
1089 MHz
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
384.0GB/s
160.0GB/s
Render Config
Compute Units
40
28
Shading Units
2560
1792
TMUs
160
112
ROPs
64
32
RT Cores
40
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
3 MB
2 MB
L3 Cache
96 MB
—
Theoretical Performance
Pixel Rate
153.0 GPixel/s
34.85 GPixel/s
Texture Rate
382.4 GTexel/s
122.0 GTexel/s
FP16 (half)
24.47 TFLOPS
3.903 TFLOPS
FP32 (float)
12.24 TFLOPS
3.903 TFLOPS
FP64 (double)
764.8 GFLOPS
243.9 GFLOPS
Graphics Processor
GPU Name
Navi 22
Ellesmere
GPU Variant
Navi 22 XTM
—
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
17.2 billion
5.7 billion
Die Size
335 mm²
232 mm²
Board Design
TDP
145W
75W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.5
6.4
Benchmark
3DMark Time Spy
11,498
—
3DMark Time Spy Extreme
5,418
—
3DMark Speed Way
2,096
—
Blender
1,568
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.