NVIDIA GeForce RTX 5070 vs AMD Radeon RX 6800 XT

VS

NVIDIA GeForce RTX 5070

AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 5070 and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5070 's Advantages

Released 4 years and 3 months late

Boost Clock has increased by 12% (2520MHz vs 2250MHz)

Larger VRAM bandwidth (532.6GB/s vs 512.0GB/s)

1792 additional rendering cores

Lower TDP (220W vs 300W)

AMD Radeon RX 6800 XT 's Advantages

More VRAM (16GB vs 12GB)

Score

Benchmark

FP32 (float)

GeForce RTX 5070 +55%

32.26 TFLOPS

Radeon RX 6800 XT

20.74 TFLOPS

GeForce RTX 5070

VS

Radeon RX 6800 XT

Graphics Card

Jan 2025

Release Date

Oct 2020

GeForce 50

Generation

Navi II

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

1825 MHz

2520 MHz

Boost Clock

2250 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

16GB

GDDR7

Memory Type

GDDR6

192bit

Memory Bus

256bit

532.6GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

72

50

SM Count

-

6400

Shading Units

4608

200

TMUs

288

64

ROPs

128

200

Tensor Cores

-

50

RT Cores

72

128 KB (per SM)

L1 Cache

128 KB per Array

40 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

161.3 GPixel/s

Pixel Rate

288.0 GPixel/s

504.0 GTexel/s

Texture Rate

648.0 GTexel/s

32.26 TFLOPS

FP16 (half)

41.47 TFLOPS

32.26 TFLOPS

FP32 (float)

20.74 TFLOPS

504.0 GFLOPS

FP64 (double)

1296 GFLOPS

Board Design

220W

TDP

300W

550 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

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

1x 16-pin

Power Connectors

2x 8-pin

Graphics Processor

GB205

GPU Name

Navi 21

GB205

GPU Variant

Navi 21 XT (215-121000177)

Blackwell 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

Unknown

Transistors

26.8 billion

Unknown

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

10.1

CUDA

-

6.8

Shader Model

6.5

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