AMD Radeon RX 6900 XT vs NVIDIA GeForce GTX 680

VS

AMD Radeon RX 6900 XT

NVIDIA GeForce GTX 680

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 2GB VRAM GeForce GTX 680 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages

Released 8 years and 7 months late

Boost Clock has increased by 113% (2250MHz vs 1058MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 192.3GB/s)

3584 additional rendering cores

NVIDIA GeForce GTX 680 's Advantages

Lower TDP (195W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XT +608%

23.04 TFLOPS

GeForce GTX 680

3.25 TFLOPS

3DMark Time Spy

Radeon RX 6900 XT +947%

20932

GeForce GTX 680

1999

Radeon RX 6900 XT

VS

GeForce GTX 680

Graphics Card

Oct 2020

Release Date

Mar 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

1006 MHz

2250 MHz

Boost Clock

1058 MHz

2000 MHz

Memory Clock

1502 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

192.3GB/s

Render Config

80

Compute Units

-

5120

Shading Units

1536

320

TMUs

128

ROPs

32

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

512 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

33.86 GPixel/s

720.0 GTexel/s

Texture Rate

135.4 GTexel/s

46.08 TFLOPS

FP16 (half)

-

23.04 TFLOPS

FP32 (float)

3.250 TFLOPS

1440 GFLOPS

FP64 (double)

135.4 GFLOPS

Board Design

300W

TDP

195W

700 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

Navi 21

GPU Name

GK104

Navi 21 XTX (215-121000167)

GPU Variant

GK104-400-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

3.54 billion

520 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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