AMD Radeon R9 290 vs AMD Radeon HD 8490 OEM

VS

AMD Radeon R9 290 AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290 and 1024MB VRAM Radeon HD 8490 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290 's Advantages

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (320.0GB/s vs 14.40GB/s)

2400 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 290 +1631%

4.849 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon R9 290

VS

Radeon HD 8490 OEM

Graphics Card

Nov 2013

Release Date

Jul 2013

Volcanic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

512bit

Memory Bus

64bit

320.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

40

Compute Units

2

2560

Shading Units

160

TMUs

8

64

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

60.61 GPixel/s

Pixel Rate

3.500 GPixel/s

151.5 GTexel/s

Texture Rate

7.000 GTexel/s

-

FP16 (half)

-

4.849 TFLOPS

FP32 (float)

280.0 GFLOPS

606.1 GFLOPS

FP64 (double)

-

Graphics Processor

Hawaii

GPU Name

Caicos

Hawaii PRO (215-0852020)

GPU Variant

Caicos XTX

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

0.37 billion

438 mm²

Die Size

67 mm²

Board Design

275W

TDP

35W

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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