AMD Radeon RX 580 vs ATI Radeon HD 2900 XTX

VS

AMD Radeon RX 580 ATI Radeon HD 2900 XTX

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

Main Differences

AMD Radeon RX 580 's Advantages

Boost Clock1340MHz

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

1984 additional rendering cores

Lower TDP (185W vs 240W)

Score

Benchmark

FP32 (float)

Radeon RX 580 +1197%

6.175 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon RX 580

VS

Radeon HD 2900 XTX

Graphics Card

Apr 2017

Release Date

Unknown

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 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

-

SM Count

-

36

Compute Units

4

2304

Shading Units

320

144

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

256 KB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

11.89 GPixel/s

193.0 GTexel/s

Texture Rate

11.89 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

475.5 GFLOPS

385.9 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 20

GPU Name

R600

Polaris 20 XTX (215-0910038)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

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

Board Design

185W

TDP

240W

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

2x 6-pin

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

-

CUDA

-

6.4

Shader Model

4.0

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