NVIDIA GeForce RTX 4080 12 GB vs AMD Radeon HD 8490 OEM

VS

NVIDIA GeForce RTX 4080 12 GB

AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4080 12 GB and 1024MB VRAM Radeon HD 8490 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 12 GB 's Advantages

Boost Clock2610MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (504.2GB/s vs 14.40GB/s)

7520 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 285W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 12 GB +14217%

40.09 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

GeForce RTX 4080 12 GB

VS

Radeon HD 8490 OEM

Graphics Card

Unknown

Release Date

Jul 2013

GeForce 40

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2610 MHz

Boost Clock

-

1313 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

1024MB

GDDR6X

Memory Type

DDR3

192bit

Memory Bus

64bit

504.2GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

2

60

SM Count

-

7680

Shading Units

160

240

TMUs

8

80

ROPs

4

240

Tensor Cores

-

60

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

48 MB

L2 Cache

128 KB

-

Theoretical Performance

208.8 GPixel/s

Pixel Rate

3.500 GPixel/s

626.4 GTexel/s

Texture Rate

7.000 GTexel/s

40.09 TFLOPS

FP16 (half)

-

40.09 TFLOPS

FP32 (float)

280.0 GFLOPS

626.4 GFLOPS

FP64 (double)

-

Board Design

285W

TDP

35W

600 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort 1.1

1x 16-pin

Power Connectors

None

Graphics Processor

AD104

GPU Name

Caicos

AD104-400-A1

GPU Variant

Caicos XTX

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

35.8 billion

Transistors

0.37 billion

295 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.6

Shader Model

5.0

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