Home GPU Comparison AMD Radeon 780M vs AMD Radeon RX 6400

AMD Radeon 780M vs AMD Radeon RX 6400

We compared a Integrated graphics card GPU: 0System Shared VRAM AMD Radeon 780M and a Desktop platform GPU: 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 780M 's Advantages
Released 1 years late
Boost Clock has increased by 16% (2700MHz vs 2321MHz)
Lower TDP (15W vs 53W)

Score

Benchmark

FP32 (float)
AMD Radeon 780M +132%
8.294 TFLOPS
Radeon RX 6400
3.565 TFLOPS
3DMark Time Spy
AMD Radeon 780M
2737
Radeon RX 6400 +30%
3579
VS

Graphics Card

Jan 2023
Release Date
Jan 2022
Navi III IGP
Generation
Navi II
Integrated
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x4

Clock Speeds

800 MHz
Base Clock
1923 MHz
2700 MHz
Boost Clock
2321 MHz
System Shared
Memory Clock
2000 MHz

Memory

System Shared
Memory Size
4GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
64bit
System Dependent
Bandwidth
128.0GB/s

Render Config

-
SM Count
-
12
Compute Units
12
768
Shading Units
768
48
TMUs
48
32
ROPs
32
-
Tensor Cores
-
12
RT Cores
12
128 KB per Array
L1 Cache
128 KB per Array
2 MB
L2 Cache
1024 KB

Theoretical Performance

86.40 GPixel/s
Pixel Rate
74.27 GPixel/s
129.6 GTexel/s
Texture Rate
111.4 GTexel/s
16.59 TFLOPS
FP16 (half)
7.130 TFLOPS
8.294 TFLOPS
FP32 (float)
3.565 TFLOPS
518.4 GFLOPS
FP64 (double)
222.8 GFLOPS

Graphics Processor

Phoenix
GPU Name
Navi 24
-
GPU Variant
Navi 24 XL (215-135000046)
RDNA 3.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
4 nm
Process Size
6 nm
25.39 billion
Transistors
5.4 billion
178 mm²
Die Size
107 mm²

Board Design

15W
TDP
53W
-
Suggested PSU
250 W
Portable Device Dependent
Outputs
1x HDMI 2.1 1x DisplayPort 1.4a
None
Power Connectors
None

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.2
1.3
Vulkan
1.3
-
CUDA
-
6.7
Shader Model
6.6

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