NVIDIA GeForce GT 640M vs AMD Radeon HD 7730M

VS

NVIDIA GeForce GT 640M AMD Radeon HD 7730M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7730M 's Advantages

Boost Clock675MHz

128 additional rendering cores

Lower TDP (25W vs 32W)

Score

Benchmark

FP32 (float)

GeForce GT 640M

0.48 TFLOPS

Radeon HD 7730M +43%

0.691 TFLOPS

GeForce GT 640M

VS

Radeon HD 7730M

Graphics Card

Mar 2012

Release Date

Apr 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

675 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

8

384

Shading Units

512

32

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

5.000 GPixel/s

Pixel Rate

10.80 GPixel/s

20.00 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP16 (half)

-

480.0 GFLOPS

FP32 (float)

691.2 GFLOPS

20.00 GFLOPS

FP64 (double)

43.20 GFLOPS

Graphics Processor

GK107

GPU Name

Chelsea

N13P-GS

GPU Variant

Chelsea LE (216-0834065)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.5 billion

118 mm²

Die Size

123 mm²

Board Design

32W

TDP

25W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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