NVIDIA GeForce GT 640M vs AMD Radeon HD 8750A

VS

NVIDIA GeForce GT 640M AMD Radeon HD 8750A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M and 1024MB VRAM Radeon HD 8750A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

Lower TDP (32W vs 45W)

AMD Radeon HD 8750A 's Advantages

Released 11 months late

Score

Benchmark

FP32 (float)

GeForce GT 640M +4%

0.48 TFLOPS

Radeon HD 8750A

0.461 TFLOPS

GeForce GT 640M

VS

Radeon HD 8750A

Graphics Card

Mar 2012

Release Date

Feb 2013

GeForce 600M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

Compute Units

6

384

Shading Units

384

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

5.000 GPixel/s

Pixel Rate

4.800 GPixel/s

20.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

480.0 GFLOPS

FP32 (float)

460.8 GFLOPS

20.00 GFLOPS

FP64 (double)

28.80 GFLOPS

Graphics Processor

GK107

GPU Name

Mars

N13P-GS

GPU Variant

Mars XT

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

0.95 billion

118 mm²

Die Size

77 mm²

Board Design

32W

TDP

45W

-

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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