AMD Radeon RX 6800 XT vs NVIDIA GeForce GTX 460

VS

AMD Radeon RX 6800 XT

NVIDIA GeForce GTX 460

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 768MB VRAM GeForce GTX 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 10 years and 3 months late

Boost Clock2250MHz

More VRAM (16GB vs 768GB)

Larger VRAM bandwidth (512.0GB/s vs 86.40GB/s)

4272 additional rendering cores

NVIDIA GeForce GTX 460 's Advantages

Lower TDP (160W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +2186%

20.74 TFLOPS

GeForce GTX 460

0.907 TFLOPS

Radeon RX 6800 XT

VS

GeForce GTX 460

Graphics Card

Oct 2020

Release Date

Jul 2010

Navi II

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

768MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

512.0GB/s

Bandwidth

86.40GB/s

Render Config

72

Compute Units

-

SM Count

7

4608

Shading Units

336

288

TMUs

56

128

ROPs

24

-

72

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

384 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

9.450 GPixel/s

648.0 GTexel/s

Texture Rate

37.80 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

907.2 GFLOPS

1296 GFLOPS

FP64 (double)

75.60 GFLOPS

Board Design

300W

TDP

160W

700 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 8-pin

Power Connectors

-

Graphics Processor

Navi 21

GPU Name

GF104

Navi 21 XT (215-121000177)

GPU Variant

GF104-300-KB-A1

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.95 billion

520 mm²

Die Size

332 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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