AMD Radeon RX 6900 XTX vs ATI Radeon HD 2600 XT

VS

AMD Radeon RX 6900 XTX

ATI Radeon HD 2600 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 256MB VRAM ATI Radeon HD 2600 XT 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 256GB)

Larger VRAM bandwidth (576.0GB/s vs 22.40GB/s)

5000 additional rendering cores

ATI Radeon HD 2600 XT 's Advantages

Lower TDP (45W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +12884%

24.93 TFLOPS

ATI Radeon HD 2600 XT

0.192 TFLOPS

Radeon RX 6900 XTX

VS

ATI Radeon HD 2600 XT

Graphics Card

Unknown

Release Date

Jun 2007

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

700 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

22.40GB/s

Render Config

80

Compute Units

3

-

5120

Shading Units

120

320

TMUs

8

128

ROPs

4

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

64 KB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

3.200 GPixel/s

779.2 GTexel/s

Texture Rate

6.400 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

192.0 GFLOPS

1.558 TFLOPS

FP64 (double)

-

Board Design

330W

TDP

45W

700 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

RV630

Navi 21 XTXH (215-121000247)

GPU Variant

-

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

65 nm

26.8 billion

Transistors

0.39 billion

520 mm²

Die Size

153 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.0

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