AMD Radeon RX 580G vs ATI Radeon HD 2900 XT

VS

AMD Radeon RX 580G

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Released 11 years and 5 months late

Boost Clock1330MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 106.0GB/s)

1984 additional rendering cores

Lower TDP (185W vs 215W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +1187%

6.129 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon RX 580G

VS

Radeon HD 2900 XT

Graphics Card

Oct 2018

Release Date

May 2007

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1330 MHz

Boost Clock

-

2000 MHz

Memory Clock

828 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

256.0GB/s

Bandwidth

106.0GB/s

Render Config

36

Compute Units

4

-

2304

Shading Units

320

144

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

11.89 GPixel/s

191.5 GTexel/s

Texture Rate

11.89 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

475.5 GFLOPS

383.0 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

215W

450 W

Suggested PSU

550 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Polaris 20

GPU Name

R600

Polaris 20 XTX (215-0910038)

GPU Variant

R600 XT (215RGMDKA13FG)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

80 nm

5.7 billion

Transistors

0.72 billion

232 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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