NVIDIA GeForce GT 640 OEM vs AMD Radeon 540

VS

NVIDIA GeForce GT 640 OEM AMD Radeon 540

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 OEM and 1024MB VRAM AMD Radeon 540 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.51GB/s vs 24.00GB/s)

AMD Radeon 540 's Advantages

Released 5 years late

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM

0.612 TFLOPS

AMD Radeon 540 +48%

0.908 TFLOPS

GeForce GT 640 OEM

VS

AMD Radeon 540

Graphics Card

Apr 2012

Release Date

Apr 2017

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

891 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

32bit

28.51GB/s

Bandwidth

24.00GB/s

Render Config

-

SM Count

-

Compute Units

6

384

Shading Units

384

32

TMUs

24

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.376 GPixel/s

Pixel Rate

18.93 GPixel/s

25.50 GTexel/s

Texture Rate

28.39 GTexel/s

-

FP16 (half)

908.5 GFLOPS

612.1 GFLOPS

FP32 (float)

908.5 GFLOPS

25.50 GFLOPS

FP64 (double)

56.78 GFLOPS

Graphics Processor

GK107

GPU Name

Lexa

GK107-320-A2

GPU Variant

Lexa PRO (215-0904018)

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

2.2 billion

118 mm²

Die Size

103 mm²

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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