AMD Radeon 550X vs ATI Radeon HD 2900 GT

VS

AMD Radeon 550X

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Released 11 years and 4 months late

Boost Clock1218MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (112.0GB/s vs 51.20GB/s)

272 additional rendering cores

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

Radeon 550X +332%

1.247 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

Radeon 550X

VS

Radeon HD 2900 GT

Graphics Card

Mar 2019

Release Date

Nov 2007

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

51.20GB/s

Render Config

8

Compute Units

3

-

512

Shading Units

240

32

TMUs

12

16

ROPs

12

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

7.212 GPixel/s

38.98 GTexel/s

Texture Rate

7.212 GTexel/s

1247 GFLOPS

FP16 (half)

-

1247 GFLOPS

FP32 (float)

288.5 GFLOPS

77.95 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

Graphics Processor

Lexa

GPU Name

R600

Lexa PRO (215-0904018)

GPU Variant

R600 GT (215RGFDKA13FG)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

80 nm

2.2 billion

Transistors

0.72 billion

103 mm²

Die Size

420 mm²

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.0

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