NVIDIA GeForce GTX 650 vs ATI Radeon HD 3550

VS

NVIDIA GeForce GTX 650

ATI Radeon HD 3550

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 650 and 512MB VRAM Radeon HD 3550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 's Advantages

Released 4 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (80.00GB/s vs 6.336GB/s)

344 additional rendering cores

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GTX 650 +1591%

0.812 TFLOPS

Radeon HD 3550

0.048 TFLOPS

GeForce GTX 650

VS

Radeon HD 3550

Graphics Card

Sep 2012

Release Date

Aug 2008

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

396 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

80.00GB/s

Bandwidth

6.336GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

40

32

TMUs

4

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

8.464 GPixel/s

Pixel Rate

2.376 GPixel/s

33.86 GTexel/s

Texture Rate

2.376 GTexel/s

-

812.5 GFLOPS

FP32 (float)

47.52 GFLOPS

33.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

30W

250 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.4a

Outputs

2x DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

GK107

GPU Name

RV620

GK107-450-A2

GPU Variant

RV620 PRO (215-0670006)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.181 billion

118 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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