ATI Radeon HD 2900 XT vs AMD Radeon RX 550X 640SP

VS

ATI Radeon HD 2900 XT AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 96.00GB/s)

AMD Radeon RX 550X 640SP 's Advantages

Released 10 years and 11 months late

Boost Clock1071MHz

320 additional rendering cores

Lower TDP (60W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

Radeon RX 550X 640SP +188%

1.371 TFLOPS

Radeon HD 2900 XT

VS

Radeon RX 550X 640SP

Graphics Card

May 2007

Release Date

Apr 2018

Radeon R600

Generation

Polaris

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

828 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

128bit

106.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

4

Compute Units

10

320

Shading Units

640

16

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

Theoretical Performance

11.89 GPixel/s

Pixel Rate

17.14 GPixel/s

11.89 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

475.5 GFLOPS

FP32 (float)

1371 GFLOPS

-

FP64 (double)

85.68 GFLOPS

Graphics Processor

R600

GPU Name

Baffin

R600 XT (215RGMDKA13FG)

GPU Variant

Baffin LE

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

80 nm

Process Size

14 nm

0.72 billion

Transistors

3 billion

420 mm²

Die Size

123 mm²

Board Design

215W

TDP

60W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

10.0 (10_0)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

4.0

Shader Model

6.4

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