AMD Radeon R9 M290X vs NVIDIA GeForce GT 645M

VS

AMD Radeon R9 M290X NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X 's Advantages

Released 1 years and 3 months late

Boost Clock900MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

896 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 100W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X +323%

2.304 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon R9 M290X

VS

GeForce GT 645M

Graphics Card

Jan 2014

Release Date

Oct 2012

Crystal System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

20

Compute Units

-

1280

Shading Units

384

80

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

5.672 GPixel/s

72.00 GTexel/s

Texture Rate

22.69 GTexel/s

-

FP16 (half)

-

2.304 TFLOPS

FP32 (float)

544.5 GFLOPS

144.0 GFLOPS

FP64 (double)

22.69 GFLOPS

Graphics Processor

Neptune

GPU Name

GK107

Neptune XT (216-0847000)

GPU Variant

N13P-GS

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.27 billion

212 mm²

Die Size

118 mm²

Board Design

100W

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

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

5.1

Shader Model

5.1

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