NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA GeForce GT 545 OEM

VS

NVIDIA GeForce GT 640 Rev. 2 NVIDIA GeForce GT 545 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 1024MB VRAM GeForce GT 545 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 2 years late

240 additional rendering cores

Lower TDP (49W vs 105W)

NVIDIA GeForce GT 545 OEM 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 40.06GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 640 Rev. 2 +60%

0.803 TFLOPS

GeForce GT 545 OEM

0.501 TFLOPS

GeForce GT 640 Rev. 2

VS

GeForce GT 545 OEM

Graphics Card

May 2013

Release Date

May 2011

GeForce 600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1252 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

40.06GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

3

-

Compute Units

-

384

Shading Units

144

32

TMUs

24

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

Theoretical Performance

8.368 GPixel/s

Pixel Rate

5.226 GPixel/s

33.47 GTexel/s

Texture Rate

20.90 GTexel/s

-

FP16 (half)

-

803.3 GFLOPS

FP32 (float)

501.4 GFLOPS

33.47 GFLOPS

FP64 (double)

41.78 GFLOPS

Graphics Processor

GK208

GPU Name

GF116

GK208-400-A1

GPU Variant

GF116-110-KA-A1

Kepler 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.02 billion

Transistors

1.17 billion

87 mm²

Die Size

238 mm²

Board Design

49W

TDP

105W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

1x 6-pin

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

2.1

5.1

Shader Model

5.1

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