AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 780 Ti 6 GB

VS

AMD Radeon RX 6900 XTX

NVIDIA GeForce GTX 780 Ti 6 GB

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 6GB VRAM GeForce GTX 780 Ti 6 GB 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 162% (2435MHz vs 928MHz)

More VRAM (16GB vs 6GB)

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

2240 additional rendering cores

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Lower TDP (250W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +366%

24.93 TFLOPS

GeForce GTX 780 Ti 6 GB

5.345 TFLOPS

Radeon RX 6900 XTX

VS

GeForce GTX 780 Ti 6 GB

Graphics Card

Unknown

Release Date

Unknown

Navi II

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2075 MHz

Base Clock

875 MHz

2435 MHz

Boost Clock

928 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

2880

320

TMUs

240

128

ROPs

48

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

1536 KB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

55.68 GPixel/s

779.2 GTexel/s

Texture Rate

222.7 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

5.345 TFLOPS

1.558 TFLOPS

FP64 (double)

222.7 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

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 21

GPU Name

GK110B

Navi 21 XTXH (215-121000247)

GPU Variant

-

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

7.08 billion

520 mm²

Die Size

561 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.5

6.5

Shader Model

5.1

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