AMD Radeon HD 6750 vs AMD Radeon RX 455 OEM

VS

AMD Radeon HD 6750

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6750 and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750 's Advantages

Lower TDP (86W vs 100W)

AMD Radeon RX 455 OEM 's Advantages

Released 5 years and 5 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (104.0GB/s vs 73.60GB/s)

48 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6750

1.008 TFLOPS

Radeon RX 455 OEM +60%

1.613 TFLOPS

Radeon HD 6750

VS

Radeon RX 455 OEM

Graphics Card

Jan 2011

Release Date

Jun 2016

Northern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1150 MHz

Memory Clock

1625 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

104.0GB/s

Render Config

9

Compute Units

12

-

720

Shading Units

768

36

TMUs

48

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

16.80 GPixel/s

25.20 GTexel/s

Texture Rate

50.40 GTexel/s

-

1008 GFLOPS

FP32 (float)

1.613 TFLOPS

-

FP64 (double)

100.8 GFLOPS

Board Design

86W

TDP

100W

250 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Juniper

GPU Name

Tobago

Juniper LE (215-0754009)

GPU Variant

Tobago PRO (215-0875010)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.08 billion

166 mm²

Die Size

160 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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