AMD Radeon HD 8490 OEM vs AMD Radeon RX 6750 GRE

VS

AMD Radeon HD 8490 OEM

AMD Radeon RX 6750 GRE

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 12GB VRAM Radeon RX 6750 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 250W)

AMD Radeon RX 6750 GRE 's Advantages

Released 10 years and 3 months late

Boost Clock2581MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 14.40GB/s)

2400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon RX 6750 GRE +4617%

13.21 TFLOPS

Radeon HD 8490 OEM

VS

Radeon RX 6750 GRE

Graphics Card

Jul 2013

Release Date

Oct 2023

Sea Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

900 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

432.0GB/s

Render Config

2

Compute Units

40

-

160

Shading Units

2560

8

TMUs

160

4

ROPs

64

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

3.500 GPixel/s

Pixel Rate

165.2 GPixel/s

7.000 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

280.0 GFLOPS

FP32 (float)

13.21 TFLOPS

-

FP64 (double)

825.9 GFLOPS

Board Design

35W

TDP

250W

200 W

Suggested PSU

600 W

1x DVI 1x DisplayPort 1.1

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Caicos

GPU Name

Navi 22

Caicos XTX

GPU Variant

Navi 22 KXT

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.37 billion

Transistors

17.2 billion

67 mm²

Die Size

335 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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