AMD Radeon RX Vega 56 vs AMD Radeon RX 6900 XT

VS

AMD Radeon RX Vega 56

AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 's Advantages

Lower TDP (210W vs 300W)

AMD Radeon RX 6900 XT 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 53% (2250MHz vs 1471MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 409.6GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega 56

10.54 TFLOPS

Radeon RX 6900 XT +118%

23.04 TFLOPS

3DMark Time Spy

Radeon RX Vega 56

6878

Radeon RX 6900 XT +204%

20932

Shadow of the Tomb Raider 2160p

Radeon RX Vega 56

30

Radeon RX 6900 XT +163%

79

Shadow of the Tomb Raider 1440p

Radeon RX Vega 56

57

Radeon RX 6900 XT +149%

142

Shadow of the Tomb Raider 1080p

Radeon RX Vega 56

87

Radeon RX 6900 XT +122%

194

Battlefield 5 2160p

Radeon RX Vega 56

52

Radeon RX 6900 XT +119%

114

Battlefield 5 1440p

Radeon RX Vega 56

93

Radeon RX 6900 XT +115%

200

Battlefield 5 1080p

Radeon RX Vega 56

125

Radeon RX 6900 XT +60%

201

GTA 5 2160p

Radeon RX Vega 56

46

Radeon RX 6900 XT +176%

127

GTA 5 1440p

Radeon RX Vega 56

91

Radeon RX 6900 XT +67%

152

GTA 5 1080p

Radeon RX Vega 56

110

Radeon RX 6900 XT +71%

189

Radeon RX Vega 56

VS

Radeon RX 6900 XT

Graphics Card

Aug 2017

Release Date

Oct 2020

Vega

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1156 MHz

Base Clock

1825 MHz

1471 MHz

Boost Clock

2250 MHz

800 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

16GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

256bit

409.6GB/s

Bandwidth

512.0GB/s

Render Config

56

Compute Units

80

-

3584

Shading Units

5120

224

TMUs

320

64

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

94.14 GPixel/s

Pixel Rate

288.0 GPixel/s

329.5 GTexel/s

Texture Rate

720.0 GTexel/s

21.09 TFLOPS

FP16 (half)

46.08 TFLOPS

10.54 TFLOPS

FP32 (float)

23.04 TFLOPS

659.0 GFLOPS

FP64 (double)

1440 GFLOPS

Board Design

210W

TDP

300W

550 W

Suggested PSU

700 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Vega 10

GPU Name

Navi 21

Vega 10 XL (215-0894216)

GPU Variant

Navi 21 XTX (215-121000167)

GCN 5.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

12.5 billion

Transistors

26.8 billion

495 mm²

Die Size

520 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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