NVIDIA GeForce GT 645M vs AMD Radeon HD 7590M

VS

NVIDIA GeForce GT 645M AMD Radeon HD 7590M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 645M and 1024MB VRAM Radeon HD 7590M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645M 's Advantages

Released 9 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

AMD Radeon HD 7590M 's Advantages

96 additional rendering cores

Lower TDP (18W vs 32W)

Score

Benchmark

FP32 (float)

GeForce GT 645M

0.544 TFLOPS

Radeon HD 7590M +5%

0.576 TFLOPS

GeForce GT 645M

VS

Radeon HD 7590M

Graphics Card

Oct 2012

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

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

Compute Units

6

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

5.672 GPixel/s

Pixel Rate

4.800 GPixel/s

22.69 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

544.5 GFLOPS

FP32 (float)

576.0 GFLOPS

22.69 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

Thames

N13P-GS

GPU Variant

Thames XT (216-0833000)

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

18W

-

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

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