NVIDIA GeForce 840A vs AMD Radeon RX 6450M

VS

NVIDIA GeForce 840A

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 4GB VRAM Radeon RX 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Lower TDP (33W vs 50W)

AMD Radeon RX 6450M 's Advantages

Released 8 years and 10 months late

Boost Clock has increased by 119% (2460MHz vs 1124MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 16.02GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

Radeon RX 6450M +337%

3.779 TFLOPS

GeForce 840A

VS

Radeon RX 6450M

Graphics Card

Mar 2014

Release Date

Jan 2023

GeForce 800A

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1029 MHz

Base Clock

2000 MHz

1124 MHz

Boost Clock

2460 MHz

1001 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

-

384

Shading Units

768

16

TMUs

48

8

ROPs

32

-

RT Cores

12

64 KB (per SMM)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

78.72 GPixel/s

17.98 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

863.2 GFLOPS

FP32 (float)

3.779 TFLOPS

26.98 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

33W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Navi 24

-

GPU Variant

Navi 24 XML

Maxwell

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

Unknown

Transistors

5.4 billion

Unknown

Die Size

107 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

5.0

CUDA

-

5.1

Shader Model

6.7

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