ATI Radeon HD 5830 vs NVIDIA GeForce GT 640 OEM

VS

ATI Radeon HD 5830

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5830 and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5830 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 28.51GB/s)

736 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Released 2 years and 2 months late

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 5830 +192%

1.792 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

Radeon HD 5830

VS

GeForce GT 640 OEM

Graphics Card

Feb 2010

Release Date

Apr 2012

Evergreen

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

28.51GB/s

Render Config

14

Compute Units

-

1120

Shading Units

384

56

TMUs

32

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

6.376 GPixel/s

44.80 GTexel/s

Texture Rate

25.50 GTexel/s

-

1.792 TFLOPS

FP32 (float)

612.1 GFLOPS

358.4 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

175W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

GK107

Cypress LE (215-0735047)

GPU Variant

GK107-320-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

1.27 billion

334 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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