AMD Radeon RX 6900 XTX vs AMD Radeon HD 6530

VS

AMD Radeon RX 6900 XTX AMD Radeon HD 6530

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 1024MB VRAM Radeon HD 6530 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (576.0GB/s vs 19.20GB/s)

4720 additional rendering cores

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +4694%

24.93 TFLOPS

Radeon HD 6530

0.52 TFLOPS

Radeon RX 6900 XTX

VS

Radeon HD 6530

Graphics Card

Unknown

Release Date

May 2011

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

600 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

19.20GB/s

Render Config

-

SM Count

-

80

Compute Units

5

5120

Shading Units

400

320

TMUs

20

128

ROPs

8

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

5.200 GPixel/s

779.2 GTexel/s

Texture Rate

13.00 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

520.0 GFLOPS

1.558 TFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

Redwood

Navi 21 XTXH (215-121000247)

GPU Variant

Redwood PRO (215-0757004)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.627 billion

520 mm²

Die Size

104 mm²

Board Design

330W

TDP

39W

700 W

Suggested PSU

200 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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