Home GPU Comparison NVIDIA GeForce GTX 780M vs AMD Radeon RX 6800M

NVIDIA GeForce GTX 780M vs AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 12GB VRAM Radeon RX 6800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M 's Advantages
Lower TDP (122W vs 145W)
AMD Radeon RX 6800M 's Advantages
Released 8 years late
Boost Clock has increased by 200% (2390MHz vs 797MHz)
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (384.0GB/s vs 160.0GB/s)
1024 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 780M
2.448 TFLOPS
Radeon RX 6800M +400%
12.24 TFLOPS
Blender
GeForce GTX 780M
180
Radeon RX 6800M +717%
1472
VS

Graphics Card

May 2013
Release Date
May 2021
GeForce 700M
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x16

Clock Speeds

771 MHz
Base Clock
2116 MHz
797 MHz
Boost Clock
2390 MHz
1250 MHz
Memory Clock
2000 MHz

Memory

4GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
192bit
160.0GB/s
Bandwidth
384.0GB/s

Render Config

-
SM Count
-
-
Compute Units
40
1536
Shading Units
2560
128
TMUs
160
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
40
16 KB (per SMX)
L1 Cache
128 KB per Array
512 KB
L2 Cache
3 MB

Theoretical Performance

25.50 GPixel/s
Pixel Rate
153.0 GPixel/s
102.0 GTexel/s
Texture Rate
382.4 GTexel/s
-
FP16 (half)
24.47 TFLOPS
2.448 TFLOPS
FP32 (float)
12.24 TFLOPS
102.0 GFLOPS
FP64 (double)
764.8 GFLOPS

Graphics Processor

GK104
GPU Name
Navi 22
N14E-GTX-A2
GPU Variant
Navi 22 XTM
Kepler
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
3.54 billion
Transistors
17.2 billion
294 mm²
Die Size
335 mm²

Board Design

122W
TDP
145W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.5

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