Home GPU Comparison AMD Radeon 780M vs AMD Radeon RX 6900 XT

AMD Radeon 780M vs AMD Radeon RX 6900 XT

We compared a Integrated graphics card GPU: 0System Shared VRAM AMD Radeon 780M and a Desktop platform GPU: 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 780M 's Advantages
Released 2 years and 3 months late
Boost Clock has increased by 20% (2700MHz vs 2250MHz)
Lower TDP (15W vs 300W)
AMD Radeon RX 6900 XT 's Advantages
4352 additional rendering cores

Score

Benchmark

FP32 (float)
AMD Radeon 780M
8.294 TFLOPS
Radeon RX 6900 XT +177%
23.04 TFLOPS
3DMark Time Spy
AMD Radeon 780M
2737
Radeon RX 6900 XT +663%
20902
VS

Graphics Card

Jan 2023
Release Date
Oct 2020
Navi III IGP
Generation
Navi II
Integrated
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16

Clock Speeds

800 MHz
Base Clock
1825 MHz
2700 MHz
Boost Clock
2250 MHz
System Shared
Memory Clock
2000 MHz

Memory

System Shared
Memory Size
16GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
256bit
System Dependent
Bandwidth
512.0GB/s

Render Config

-
SM Count
-
12
Compute Units
80
768
Shading Units
5120
48
TMUs
320
32
ROPs
128
-
Tensor Cores
-
12
RT Cores
80
128 KB per Array
L1 Cache
128 KB per Array
2 MB
L2 Cache
4 MB

Theoretical Performance

86.40 GPixel/s
Pixel Rate
288.0 GPixel/s
129.6 GTexel/s
Texture Rate
720.0 GTexel/s
16.59 TFLOPS
FP16 (half)
46.08 TFLOPS
8.294 TFLOPS
FP32 (float)
23.04 TFLOPS
518.4 GFLOPS
FP64 (double)
1440 GFLOPS

Graphics Processor

Phoenix
GPU Name
Navi 21
-
GPU Variant
Navi 21 XTX (215-121000167)
RDNA 3.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
4 nm
Process Size
7 nm
25.39 billion
Transistors
26.8 billion
178 mm²
Die Size
520 mm²

Board Design

15W
TDP
300W
-
Suggested PSU
700 W
Portable Device Dependent
Outputs
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
None
Power Connectors
2x 8-pin

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.3
Vulkan
1.3
-
CUDA
-
6.7
Shader Model
6.5

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