AMD Radeon RX 6600 XT vs AMD Radeon VII

VS

AMD Radeon RX 6600 XT

AMD Radeon VII

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 16GB VRAM Radeon VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 2 years and 5 months late

Boost Clock has increased by 48% (2589MHz vs 1750MHz)

Lower TDP (160W vs 295W)

AMD Radeon VII 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (1020GB/s vs 256.0GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT

10.6 TFLOPS

Radeon VII +26%

13.44 TFLOPS

3DMark Time Spy

Radeon RX 6600 XT +2%

9579

Radeon VII

9319

Blender

Radeon RX 6600 XT +54%

1196

Radeon VII

772

Shadow of the Tomb Raider 2160p

Radeon RX 6600 XT

38

Radeon VII +15%

44

Shadow of the Tomb Raider 1440p

Radeon RX 6600 XT

72

Radeon VII +13%

82

Shadow of the Tomb Raider 1080p

Radeon RX 6600 XT +4%

119

Radeon VII

114

Battlefield 5 2160p

Radeon RX 6600 XT

58

Radeon VII +12%

65

Battlefield 5 1440p

Radeon RX 6600 XT

111

Radeon VII +2%

114

Battlefield 5 1080p

Radeon RX 6600 XT

144

Radeon VII +6%

153

GTA 5 2160p

Radeon RX 6600 XT

61

Radeon VII +8%

66

GTA 5 1440p

Radeon RX 6600 XT +32%

82

Radeon VII

62

GTA 5 1080p

Radeon RX 6600 XT +9%

149

Radeon VII

136

Radeon RX 6600 XT

VS

Radeon VII

Graphics Card

Jul 2021

Release Date

Feb 2019

Navi II

Generation

Vega II

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1968 MHz

Base Clock

1400 MHz

2589 MHz

Boost Clock

1750 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

HBM2

128bit

Memory Bus

4096bit

256.0GB/s

Bandwidth

1020GB/s

Render Config

32

Compute Units

60

-

2048

Shading Units

3840

128

TMUs

240

64

ROPs

64

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

112.0 GPixel/s

331.4 GTexel/s

Texture Rate

420.0 GTexel/s

21.21 TFLOPS

FP16 (half)

26.88 TFLOPS

10.60 TFLOPS

FP32 (float)

13.44 TFLOPS

662.8 GFLOPS

FP64 (double)

3.360 TFLOPS

Board Design

160W

TDP

295W

450 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 23

GPU Name

Vega 20

Navi 23 XT (215-130000006)

GPU Variant

Vega 20 XT

RDNA 2.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

13.23 billion

237 mm²

Die Size

331 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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