AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 980 Ti

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 6GB VRAM GeForce GTX 980 Ti 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 6 years and 1 months late

Boost Clock has increased by 141% (2589MHz vs 1076MHz)

More VRAM (8GB vs 6GB)

Lower TDP (160W vs 250W)

NVIDIA GeForce GTX 980 Ti 's Advantages

Larger VRAM bandwidth (336.6GB/s vs 256.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +74%

10.6 TFLOPS

GeForce GTX 980 Ti

6.06 TFLOPS

3DMark Time Spy

Radeon RX 6600 XT +66%

9579

GeForce GTX 980 Ti

5754

Blender

Radeon RX 6600 XT +119%

1196

GeForce GTX 980 Ti

544

Shadow of the Tomb Raider 2160p

Radeon RX 6600 XT +58%

38

GeForce GTX 980 Ti

24

Shadow of the Tomb Raider 1440p

Radeon RX 6600 XT +60%

72

GeForce GTX 980 Ti

45

Shadow of the Tomb Raider 1080p

Radeon RX 6600 XT +58%

119

GeForce GTX 980 Ti

75

GTA 5 2160p

Radeon RX 6600 XT

61

GeForce GTX 980 Ti +18%

72

GTA 5 1440p

Radeon RX 6600 XT +10%

82

GeForce GTX 980 Ti

74

GTA 5 1080p

Radeon RX 6600 XT +24%

149

GeForce GTX 980 Ti

120

Radeon RX 6600 XT

VS

GeForce GTX 980 Ti

Graphics Card

Jul 2021

Release Date

Jun 2015

Navi II

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1968 MHz

Base Clock

1000 MHz

2589 MHz

Boost Clock

1076 MHz

2000 MHz

Memory Clock

1753 MHz

Memory

8GB

Memory Size

6GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

256.0GB/s

Bandwidth

336.6GB/s

Render Config

32

Compute Units

-

2048

Shading Units

2816

128

TMUs

176

64

ROPs

96

-

32

RT Cores

-

128 KB per Array

L1 Cache

48 KB (per SMM)

2 MB

L2 Cache

3 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

103.3 GPixel/s

331.4 GTexel/s

Texture Rate

189.4 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

6.060 TFLOPS

662.8 GFLOPS

FP64 (double)

189.4 GFLOPS

Board Design

160W

TDP

250W

450 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 23

GPU Name

GM200

Navi 23 XT (215-130000006)

GPU Variant

GM200-310-A1

RDNA 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

8 billion

237 mm²

Die Size

601 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.2

6.7

Shader Model

6.4

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