AMD Radeon HD 6490 vs NVIDIA CMP 90HX

VS

AMD Radeon HD 6490

NVIDIA CMP 90HX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 10GB VRAM CMP 90HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 320W)

NVIDIA CMP 90HX 's Advantages

Released 10 years late

Boost Clock1710MHz

More VRAM (10GB vs 1024GB)

Larger VRAM bandwidth (760.3GB/s vs 16.00GB/s)

6080 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

CMP 90HX +6118%

21.89 TFLOPS

Radeon HD 6490

VS

CMP 90HX

Graphics Card

Jul 2011

Release Date

Jul 2021

Northern Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

1710 MHz

500 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

10GB

DDR2

Memory Type

GDDR6X

128bit

Memory Bus

320bit

16.00GB/s

Bandwidth

760.3GB/s

Render Config

4

Compute Units

-

SM Count

50

320

Shading Units

6400

16

TMUs

200

8

ROPs

80

-

Tensor Cores

200

-

RT Cores

50

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

5 MB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

136.8 GPixel/s

8.800 GTexel/s

Texture Rate

342.0 GTexel/s

-

FP16 (half)

21.89 TFLOPS

352.0 GFLOPS

FP32 (float)

21.89 TFLOPS

-

FP64 (double)

342.0 GFLOPS

Board Design

39W

TDP

320W

200 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

No outputs

None

Power Connectors

2x 8-pin

Graphics Processor

Redwood

GPU Name

GA102

Redwood LE

GPU Variant

GA102-100-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

0.627 billion

Transistors

28.3 billion

104 mm²

Die Size

628 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.6

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