AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 980 Ti

VS

AMD Radeon RX 6900 XTX

NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX 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 6900 XTX 's Advantages

Boost Clock has increased by 126% (2435MHz vs 1076MHz)

More VRAM (16GB vs 6GB)

Larger VRAM bandwidth (576.0GB/s vs 336.6GB/s)

2304 additional rendering cores

NVIDIA GeForce GTX 980 Ti 's Advantages

Lower TDP (250W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +311%

24.93 TFLOPS

GeForce GTX 980 Ti

6.06 TFLOPS

Radeon RX 6900 XTX

VS

GeForce GTX 980 Ti

Graphics Card

Unknown

Release Date

Jun 2015

Navi II

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2075 MHz

Base Clock

1000 MHz

2435 MHz

Boost Clock

1076 MHz

2250 MHz

Memory Clock

1753 MHz

Memory

16GB

Memory Size

6GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

576.0GB/s

Bandwidth

336.6GB/s

Render Config

80

Compute Units

-

5120

Shading Units

2816

320

TMUs

176

128

ROPs

96

-

80

RT Cores

-

128 KB per Array

L1 Cache

48 KB (per SMM)

4 MB

L2 Cache

3 MB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

103.3 GPixel/s

779.2 GTexel/s

Texture Rate

189.4 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

6.060 TFLOPS

1.558 TFLOPS

FP64 (double)

189.4 GFLOPS

Board Design

330W

TDP

250W

700 W

Suggested PSU

600 W

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

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 21

GPU Name

GM200

Navi 21 XTXH (215-121000247)

GPU Variant

GM200-310-A1

RDNA 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

8 billion

520 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

6.5

Shader Model

6.4

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