AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon RX 455 OEM

VS

AMD Radeon HD 7950 Monica BIOS 1

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 1 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 7950 Monica BIOS 1 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 104.0GB/s)

768 additional rendering cores

AMD Radeon RX 455 OEM 's Advantages

Released 4 years and 5 months late

Lower TDP (100W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Monica BIOS 1 +76%

2.842 TFLOPS

Radeon RX 455 OEM

1.613 TFLOPS

Radeon HD 7950 Monica BIOS 1

VS

Radeon RX 455 OEM

Graphics Card

Jan 2012

Release Date

Jun 2016

Southern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1625 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

104.0GB/s

Render Config

24

Compute Units

12

-

1536

Shading Units

768

96

TMUs

48

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

16.80 GPixel/s

88.80 GTexel/s

Texture Rate

50.40 GTexel/s

-

2.842 TFLOPS

FP32 (float)

1.613 TFLOPS

710.4 GFLOPS

FP64 (double)

100.8 GFLOPS

Board Design

185W

TDP

100W

450 W

Suggested PSU

300 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

Tobago

Tahiti PRO (215-0821056)

GPU Variant

Tobago PRO (215-0875010)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

2.08 billion

352 mm²

Die Size

160 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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