NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon HD 7690M XT Rebrand

VS

NVIDIA GeForce GT 640M Mac Edition AMD Radeon HD 7690M XT Rebrand

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 1024MB VRAM Radeon HD 7690M XT Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Released 1 years and 1 months late

AMD Radeon HD 7690M XT Rebrand 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (51.20GB/s vs 40.00GB/s)

96 additional rendering cores

Lower TDP (25W vs 32W)

Score

Benchmark

FP32 (float)

GeForce GT 640M Mac Edition

0.572 TFLOPS

Radeon HD 7690M XT Rebrand +21%

0.696 TFLOPS

GeForce GT 640M Mac Edition

VS

Radeon HD 7690M XT Rebrand

Graphics Card

Feb 2013

Release Date

Jan 2012

GeForce 600M

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

40.00GB/s

Bandwidth

51.20GB/s

Render Config

-

SM Count

-

Compute Units

6

384

Shading Units

480

32

TMUs

24

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

5.960 GPixel/s

Pixel Rate

5.800 GPixel/s

23.84 GTexel/s

Texture Rate

17.40 GTexel/s

-

FP16 (half)

-

572.2 GFLOPS

FP32 (float)

696.0 GFLOPS

23.84 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

Whistler

N13P-GS

GPU Variant

Whistler XTX

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.716 billion

118 mm²

Die Size

104 mm²

Board Design

32W

TDP

25W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

Related GPU Comparisons

1

NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon R9 A375

2

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce G105M

3

NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon RX 560 Mobile

4

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce 830A

5

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce RTX 3050 Max-Q Refresh 4 GB

6

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce GT 550M

7

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce GTX 675MX

8

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce 9800M GTX

9

NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce 620M

10

NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon R9 M375X

Related News

1

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

2

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

3

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

4

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

5

AMD's Latest Breakthrough Technology Could Change the Game in the Future

6

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

7

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

8

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

9

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

10

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience