AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 680 Mac Edition

VS

AMD Radeon RX 6900 XTX NVIDIA GeForce GTX 680 Mac Edition

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 2GB VRAM GeForce GTX 680 Mac Edition 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 130% (2435MHz vs 1058MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 192.3GB/s)

3584 additional rendering cores

NVIDIA GeForce GTX 680 Mac Edition 's Advantages

Lower TDP (195W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +667%

24.93 TFLOPS

GeForce GTX 680 Mac Edition

3.25 TFLOPS

Radeon RX 6900 XTX

VS

GeForce GTX 680 Mac Edition

Graphics Card

Unknown

Release Date

Apr 2013

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

1006 MHz

2435 MHz

Boost Clock

1058 MHz

2250 MHz

Memory Clock

1502 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

192.3GB/s

Render Config

-

SM Count

-

80

Compute Units

-

5120

Shading Units

1536

320

TMUs

128

ROPs

32

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

512 KB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

33.86 GPixel/s

779.2 GTexel/s

Texture Rate

135.4 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

3.250 TFLOPS

1.558 TFLOPS

FP64 (double)

135.4 GFLOPS

Graphics Processor

Navi 21

GPU Name

GK104

Navi 21 XTXH (215-121000247)

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

Board Design

330W

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 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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