AMD Radeon RX 7900M vs NVIDIA GeForce GT 745A

VS

AMD Radeon RX 7900M NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 2GB VRAM GeForce GT 745A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 10 years and 2 months late

Boost Clock has increased by 128% (2090MHz vs 915MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 28.80GB/s)

4224 additional rendering cores

NVIDIA GeForce GT 745A 's Advantages

Lower TDP (33W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7900M +5379%

38.52 TFLOPS

GeForce GT 745A

0.703 TFLOPS

Radeon RX 7900M

VS

GeForce GT 745A

Graphics Card

Oct 2023

Release Date

Aug 2013

Navi Mobile

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

837 MHz

2090 MHz

Boost Clock

915 MHz

2250 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

72

Compute Units

-

4608

Shading Units

384

288

TMUs

32

192

ROPs

16

-

Tensor Cores

-

72

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

256 KB

Theoretical Performance

401.3 GPixel/s

Pixel Rate

7.320 GPixel/s

601.9 GTexel/s

Texture Rate

29.28 GTexel/s

77.05 TFLOPS

FP16 (half)

-

38.52 TFLOPS

FP32 (float)

702.7 GFLOPS

1204 GFLOPS

FP64 (double)

29.28 GFLOPS

Graphics Processor

Navi 31

GPU Name

GK107

Navi 31

GPU Variant

N14P-LP

RDNA 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

1.27 billion

529 mm²

Die Size

118 mm²

Board Design

180W

TDP

33W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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