AMD Radeon R7 M340 vs AMD Radeon RX 6450M

VS

AMD Radeon R7 M340

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 4GB VRAM Radeon RX 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 7 years and 1 months late

Boost Clock has increased by 244% (2460MHz vs 715MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 16.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M340

0.549 TFLOPS

Radeon RX 6450M +588%

3.779 TFLOPS

Radeon R7 M340

VS

Radeon RX 6450M

Graphics Card

Dec 2015

Release Date

Jan 2023

Gem System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

620 MHz

Base Clock

2000 MHz

715 MHz

Boost Clock

2460 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

128.0GB/s

Render Config

6

Compute Units

12

-

384

Shading Units

768

24

TMUs

48

8

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

5.720 GPixel/s

Pixel Rate

78.72 GPixel/s

17.16 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

549.1 GFLOPS

FP32 (float)

3.779 TFLOPS

34.32 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Opal

GPU Name

Navi 24

Opal PRO

GPU Variant

Navi 24 XML

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

0.95 billion

Transistors

5.4 billion

77 mm²

Die Size

107 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.2

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.7

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