NVIDIA GeForce GT 640 vs ATI Radeon HD 5750

VS

NVIDIA GeForce GT 640

ATI Radeon HD 5750

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM Radeon HD 5750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Released 2 years and 8 months late

More VRAM (2GB vs 1024GB)

Lower TDP (65W vs 86W)

ATI Radeon HD 5750 's Advantages

Larger VRAM bandwidth (73.60GB/s vs 28.51GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon HD 5750 +45%

1.008 TFLOPS

GeForce GT 640

VS

Radeon HD 5750

Graphics Card

Jun 2012

Release Date

Oct 2009

GeForce 600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

891 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

9

-

384

Shading Units

720

32

TMUs

36

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

11.20 GPixel/s

28.86 GTexel/s

Texture Rate

25.20 GTexel/s

-

692.7 GFLOPS

FP32 (float)

1008 GFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

86W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Processor

GK107

GPU Name

Juniper

GK107-300-A2

GPU Variant

Juniper LE (215-0754009)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

1.04 billion

118 mm²

Die Size

166 mm²

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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