NVIDIA GeForce GTX 950 vs ATI Radeon HD 3550

VS

NVIDIA GeForce GTX 950

ATI Radeon HD 3550

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 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 950 's Advantages

Released 7 years late

Boost Clock1188MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (105.8GB/s vs 6.336GB/s)

728 additional rendering cores

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 90W)

Score

Benchmark

FP32 (float)

GeForce GTX 950 +3702%

1.825 TFLOPS

Radeon HD 3550

0.048 TFLOPS

GeForce GTX 950

VS

Radeon HD 3550

Graphics Card

Aug 2015

Release Date

Aug 2008

GeForce 900

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1024 MHz

Base Clock

-

1188 MHz

Boost Clock

-

1653 MHz

Memory Clock

396 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

105.8GB/s

Bandwidth

6.336GB/s

Render Config

-

Compute Units

2

-

768

Shading Units

40

48

TMUs

4

32

ROPs

4

-

48 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

2.376 GPixel/s

57.02 GTexel/s

Texture Rate

2.376 GTexel/s

-

1.825 TFLOPS

FP32 (float)

47.52 GFLOPS

57.02 GFLOPS

FP64 (double)

-

Board Design

90W

TDP

30W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

2x DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

GM206

GPU Name

RV620

GM206-250-A1

GPU Variant

RV620 PRO (215-0670006)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.94 billion

Transistors

0.181 billion

228 mm²

Die Size

67 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

4.1

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