NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon RX 560 896SP

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Radeon RX 560 896SP

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 4GB VRAM Radeon RX 560 896SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560 896SP 's Advantages

Released 5 years and 3 months late

Boost Clock1175MHz

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (112.0GB/s vs 38.40GB/s)

752 additional rendering cores

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon RX 560 896SP +407%

2.106 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Radeon RX 560 896SP

Graphics Card

Apr 2012

Release Date

Jul 2017

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1090 MHz

-

Boost Clock

1175 MHz

800 MHz

Memory Clock

1750 MHz

Memory

1536MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

112.0GB/s

Render Config

-

Compute Units

14

3

SM Count

-

144

Shading Units

896

24

TMUs

56

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

18.80 GPixel/s

17.28 GTexel/s

Texture Rate

65.80 GTexel/s

-

FP16 (half)

2.106 TFLOPS

414.7 GFLOPS

FP32 (float)

2.106 TFLOPS

34.56 GFLOPS

FP64 (double)

131.6 GFLOPS

Board Design

75W

TDP

45W

250 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

Polaris 21

GF116-150-A1

GPU Variant

Polaris 21 XL

Fermi 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.17 billion

Transistors

3 billion

238 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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