NVIDIA GeForce GT 740 OEM vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA GeForce GT 740 OEM NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 740 OEM and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 740 OEM 's Advantages

Released 3 years late

Larger VRAM bandwidth (80.19GB/s vs 38.40GB/s)

240 additional rendering cores

Lower TDP (65W vs 75W)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

More VRAM (1536GB vs 1024GB)

Score

Benchmark

FP32 (float)

GeForce GT 740 OEM +86%

0.773 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce GT 740 OEM

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Apr 2015

Release Date

Apr 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1253 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

192bit

80.19GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

3

-

Compute Units

-

384

Shading Units

144

32

TMUs

24

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

Theoretical Performance

8.048 GPixel/s

Pixel Rate

4.320 GPixel/s

32.19 GTexel/s

Texture Rate

17.28 GTexel/s

-

FP16 (half)

-

772.6 GFLOPS

FP32 (float)

414.7 GFLOPS

32.19 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

GK106

GPU Name

GF116

-

GPU Variant

GF116-150-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

1.17 billion

221 mm²

Die Size

238 mm²

Board Design

65W

TDP

75W

250 W

Suggested PSU

250 W

No outputs

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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