NVIDIA GeForce RTX 4070 GDDR6 vs AMD Radeon RX 6900 XTX

VS

NVIDIA GeForce RTX 4070 GDDR6

AMD Radeon RX 6900 XTX

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 16GB VRAM Radeon RX 6900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 GDDR6 's Advantages

Boost Clock has increased by 2% (2475MHz vs 2435MHz)

768 additional rendering cores

Lower TDP (200W vs 330W)

AMD Radeon RX 6900 XTX 's Advantages

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (576.0GB/s vs 480.0GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 GDDR6 +16%

29.15 TFLOPS

Radeon RX 6900 XTX

24.93 TFLOPS

GeForce RTX 4070 GDDR6

VS

Radeon RX 6900 XTX

Graphics Card

Aug 2024

Release Date

Unknown

GeForce 40

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1920 MHz

Base Clock

2075 MHz

2475 MHz

Boost Clock

2435 MHz

2500 MHz

Memory Clock

2250 MHz

Memory

12GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

256bit

480.0GB/s

Bandwidth

576.0GB/s

Render Config

-

Compute Units

80

46

SM Count

-

5888

Shading Units

5120

184

TMUs

320

64

ROPs

128

184

Tensor Cores

-

46

RT Cores

80

128 KB (per SM)

L1 Cache

128 KB per Array

36 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

158.4 GPixel/s

Pixel Rate

311.7 GPixel/s

455.4 GTexel/s

Texture Rate

779.2 GTexel/s

29.15 TFLOPS

FP16 (half)

49.87 TFLOPS

29.15 TFLOPS

FP32 (float)

24.93 TFLOPS

455.4 GFLOPS

FP64 (double)

1.558 TFLOPS

Board Design

200W

TDP

330W

550 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

2x 8-pin

Graphics Processor

AD104

GPU Name

Navi 21

AD104-2XX-A1

GPU Variant

Navi 21 XTXH (215-121000247)

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

35.8 billion

Transistors

26.8 billion

294 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.9

CUDA

-

6.8

Shader Model

6.5

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