ATI Radeon HD 5550 vs NVIDIA GeForce GT 640 OEM

VS

ATI Radeon HD 5550

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5550 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 5550 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 28.51GB/s)

Lower TDP (39W vs 50W)

NVIDIA GeForce GT 640 OEM 's Advantages

Released 2 years and 2 months late

More VRAM (2GB vs 512GB)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5550

0.352 TFLOPS

GeForce GT 640 OEM +73%

0.612 TFLOPS

Radeon HD 5550

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

-

800 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

28.51GB/s

Render Config

4

Compute Units

-

320

Shading Units

384

16

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

6.376 GPixel/s

8.800 GTexel/s

Texture Rate

25.50 GTexel/s

-

352.0 GFLOPS

FP32 (float)

612.1 GFLOPS

-

FP64 (double)

25.50 GFLOPS

Board Design

39W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

GK107

Redwood PRO2

GPU Variant

GK107-320-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

1.27 billion

104 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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