NVIDIA GeForce GT 640M LE vs AMD Radeon RX 7700S

VS

NVIDIA GeForce GT 640M LE

AMD Radeon RX 7700S

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M LE and 8GB VRAM Radeon RX 7700S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 100W)

AMD Radeon RX 7700S 's Advantages

Released 10 years and 8 months late

Boost Clock2500MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 50.24GB/s)

1952 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640M LE

0.289 TFLOPS

Radeon RX 7700S +6986%

20.48 TFLOPS

GeForce GT 640M LE

VS

Radeon RX 7700S

Graphics Card

May 2012

Release Date

Jan 2023

GeForce 600M

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

2500 MHz

785 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

50.24GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

2

SM Count

-

96

Shading Units

2048

16

TMUs

128

4

ROPs

64

-

RT Cores

32

64 KB (per SM)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

3.012 GPixel/s

Pixel Rate

160.0 GPixel/s

12.05 GTexel/s

Texture Rate

320.0 GTexel/s

-

FP16 (half)

40.96 TFLOPS

289.0 GFLOPS

FP32 (float)

20.48 TFLOPS

24.08 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

32W

TDP

100W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

Navi 33

-

GPU Variant

Navi 33 XT

Fermi

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

0.585 billion

Transistors

13.3 billion

116 mm²

Die Size

204 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.7

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