ATI Radeon HD 2900 XTX vs AMD Radeon 540

VS

ATI Radeon HD 2900 XTX

AMD Radeon 540

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 1024MB VRAM AMD Radeon 540 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 24.00GB/s)

AMD Radeon 540 's Advantages

More VRAM (1024GB vs 512GB)

64 additional rendering cores

Lower TDP (50W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

AMD Radeon 540 +90%

0.908 TFLOPS

Radeon HD 2900 XTX

VS

AMD Radeon 540

Graphics Card

Unknown

Release Date

Apr 2017

Radeon R600

Generation

Polaris

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

828 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

32bit

106.0GB/s

Bandwidth

24.00GB/s

Render Config

4

Compute Units

6

-

320

Shading Units

384

16

TMUs

24

16

ROPs

16

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

18.93 GPixel/s

11.89 GTexel/s

Texture Rate

28.39 GTexel/s

-

FP16 (half)

908.5 GFLOPS

475.5 GFLOPS

FP32 (float)

908.5 GFLOPS

-

FP64 (double)

56.78 GFLOPS

Board Design

240W

TDP

50W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

Lexa

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

Lexa PRO (215-0904018)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

80 nm

Process Size

14 nm

0.72 billion

Transistors

2.2 billion

420 mm²

Die Size

103 mm²

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

1.3

-

4.0

Shader Model

6.7

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