AMD Radeon HD 8740 OEM vs AMD Radeon R9 290X

VS

AMD Radeon HD 8740 OEM

AMD Radeon R9 290X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8740 OEM and 4GB VRAM Radeon R9 290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8740 OEM 's Advantages

Lower TDP (55W vs 290W)

AMD Radeon R9 290X 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 72.00GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8740 OEM

0.819 TFLOPS

Radeon R9 290X +587%

5.632 TFLOPS

Radeon HD 8740 OEM

VS

Radeon R9 290X

Graphics Card

Sep 2013

Release Date

Oct 2013

Sea Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

72.00GB/s

Bandwidth

320.0GB/s

Render Config

8

Compute Units

44

-

512

Shading Units

2816

32

TMUs

176

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

64.00 GPixel/s

25.60 GTexel/s

Texture Rate

176.0 GTexel/s

-

819.2 GFLOPS

FP32 (float)

5.632 TFLOPS

51.20 GFLOPS

FP64 (double)

704.0 GFLOPS

Board Design

55W

TDP

290W

250 W

Suggested PSU

600 W

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

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cape Verde

GPU Name

Hawaii

Cape Verde PRO

GPU Variant

Hawaii XT (215-0852000)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

6.2 billion

123 mm²

Die Size

438 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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