AMD Radeon Pro W6900X vs NVIDIA GeForce GTX 490

VS

AMD Radeon Pro W6900X

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6900X 's Advantages

Boost Clock2150MHz

More VRAM (32GB vs 1536GB)

Larger VRAM bandwidth (512.0GB/s vs 164.0GB/s)

4640 additional rendering cores

Lower TDP (300W vs 365W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +1788%

22.02 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon Pro W6900X

VS

GeForce GTX 490

Graphics Card

Aug 2021

Release Date

Unknown

Radeon Pro Mac

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2150 MHz

Boost Clock

-

2000 MHz

Memory Clock

854 MHz

Memory

32GB

Memory Size

1536MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

164.0GB/s

Render Config

80

Compute Units

-

SM Count

15

5120

Shading Units

480

320

TMUs

60

128

ROPs

48

-

80

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

768 KB

128 MB

L3 Cache

-

Theoretical Performance

275.2 GPixel/s

Pixel Rate

18.24 GPixel/s

688.0 GTexel/s

Texture Rate

36.48 GTexel/s

44.03 TFLOPS

FP16 (half)

-

22.02 TFLOPS

FP32 (float)

1166 GFLOPS

1376 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

300W

TDP

365W

700 W

Suggested PSU

750 W

1x HDMI 2.1 4x Thunderbolt

Outputs

3x DVI 1x mini-DisplayPort

None

Power Connectors

2x 8-pin

Graphics Processor

Navi 21

GPU Name

GF100

Navi 21 Pro-XTA

GPU Variant

GF100-375-A3

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

3.1 billion

520 mm²

Die Size

529 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

2.0

6.5

Shader Model

5.1

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