AMD Radeon RX 6900 XT vs AMD Radeon Sky 700

VS

AMD Radeon RX 6900 XT

AMD Radeon Sky 700

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 6GB VRAM Radeon Sky 700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages

Released 7 years and 7 months late

Boost Clock2250MHz

More VRAM (16GB vs 6GB)

Larger VRAM bandwidth (512.0GB/s vs 264.0GB/s)

3328 additional rendering cores

AMD Radeon Sky 700 's Advantages

Lower TDP (225W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XT +614%

23.04 TFLOPS

Radeon Sky 700

3.226 TFLOPS

Radeon RX 6900 XT

VS

Radeon Sky 700

Graphics Card

Oct 2020

Release Date

Mar 2013

Navi II

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

1375 MHz

Memory

16GB

Memory Size

6GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

264.0GB/s

Render Config

80

Compute Units

28

-

5120

Shading Units

1792

320

TMUs

112

128

ROPs

32

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

28.80 GPixel/s

720.0 GTexel/s

Texture Rate

100.8 GTexel/s

46.08 TFLOPS

FP16 (half)

-

23.04 TFLOPS

FP32 (float)

3.226 TFLOPS

1440 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

300W

TDP

225W

700 W

Suggested PSU

550 W

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

Outputs

1x DisplayPort 1.2

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

Tahiti

Navi 21 XTX (215-121000167)

GPU Variant

Tahiti PRO GL

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

4.313 billion

520 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.5

Shader Model

5.1

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