AMD Radeon HD 8490 OEM vs AMD Radeon R9 295X2

VS

AMD Radeon HD 8490 OEM

AMD Radeon R9 295X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 4GB VRAM Radeon R9 295X2 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 500W)

AMD Radeon R9 295X2 's Advantages

Released 9 months late

More VRAM (4GB vs 1024GB)

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

2656 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon R9 295X2 +1947%

5.733 TFLOPS

Radeon HD 8490 OEM

VS

Radeon R9 295X2

Graphics Card

Jul 2013

Release Date

Apr 2014

Sea Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

512bit

14.40GB/s

Bandwidth

320.0GB/s

Render Config

2

Compute Units

44

-

160

Shading Units

2816

8

TMUs

176

4

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

65.15 GPixel/s

7.000 GTexel/s

Texture Rate

179.2 GTexel/s

-

280.0 GFLOPS

FP32 (float)

5.733 TFLOPS

-

FP64 (double)

716.7 GFLOPS

Board Design

35W

TDP

500W

200 W

Suggested PSU

900 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

Caicos

GPU Name

Vesuvius

Caicos XTX

GPU Variant

Vesuvius XT (215-0852022)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

6.2 billion

67 mm²

Die Size

438 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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