AMD Radeon HD 8490 OEM vs AMD Radeon RX 7950 XTX

VS

AMD Radeon HD 8490 OEM

AMD Radeon RX 7950 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 24GB VRAM Radeon RX 7950 XTX 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 355W)

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock3300MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (960.0GB/s vs 14.40GB/s)

5984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon RX 7950 XTX +28864%

81.1 TFLOPS

Radeon HD 8490 OEM

VS

Radeon RX 7950 XTX

Graphics Card

Jul 2013

Release Date

Unknown

Sea Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2200 MHz

-

Boost Clock

3300 MHz

900 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

24GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

384bit

14.40GB/s

Bandwidth

960.0GB/s

Render Config

2

Compute Units

96

-

160

Shading Units

6144

8

TMUs

384

4

ROPs

192

-

RT Cores

96

8 KB (per CU)

L1 Cache

256 KB per Array

128 KB

L2 Cache

6 MB

-

L3 Cache

96 MB

Theoretical Performance

3.500 GPixel/s

Pixel Rate

633.6 GPixel/s

7.000 GTexel/s

Texture Rate

1267 GTexel/s

-

FP16 (half)

162.2 TFLOPS

280.0 GFLOPS

FP32 (float)

81.10 TFLOPS

-

FP64 (double)

2.534 TFLOPS

Board Design

35W

TDP

355W

200 W

Suggested PSU

750 W

1x DVI 1x DisplayPort 1.1

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Caicos

GPU Name

Navi 31

Caicos XTX

GPU Variant

Navi 31 XTX+

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.37 billion

Transistors

57.7 billion

67 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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