AMD Radeon R9 M290X Mac Edition vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon R9 M290X Mac Edition NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X Mac Edition 's Advantages

Released 2 years and 6 months late

Boost Clock975MHz

Larger VRAM bandwidth (174.7GB/s vs 50.24GB/s)

928 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition +591%

1.997 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Radeon R9 M290X Mac Edition

VS

GeForce GT 640M LE

Graphics Card

Nov 2014

Release Date

May 2012

Crystal System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

975 MHz

Boost Clock

-

1365 MHz

Memory Clock

785 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

50.24GB/s

Render Config

-

SM Count

2

16

Compute Units

-

1024

Shading Units

96

64

TMUs

16

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

3.012 GPixel/s

62.40 GTexel/s

Texture Rate

12.05 GTexel/s

-

FP16 (half)

-

1.997 TFLOPS

FP32 (float)

289.0 GFLOPS

124.8 GFLOPS

FP64 (double)

24.08 GFLOPS

Graphics Processor

Pitcairn

GPU Name

GF108

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.585 billion

212 mm²

Die Size

116 mm²

Board Design

80W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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