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

VS

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

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 3GB VRAM Radeon HD 7950 Monica BIOS 1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Released 4 years and 5 months late

Lower TDP (100W vs 185W)

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

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

Radeon HD 7950 Monica BIOS 1 +76%

2.842 TFLOPS

Radeon RX 455 OEM

VS

Radeon HD 7950 Monica BIOS 1

Graphics Card

Jun 2016

Release Date

Jan 2012

Arctic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1625 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

104.0GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

12

Compute Units

24

768

Shading Units

1536

48

TMUs

96

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

29.60 GPixel/s

50.40 GTexel/s

Texture Rate

88.80 GTexel/s

-

FP16 (half)

-

1.613 TFLOPS

FP32 (float)

2.842 TFLOPS

100.8 GFLOPS

FP64 (double)

710.4 GFLOPS

Graphics Processor

Tobago

GPU Name

Tahiti

Tobago PRO (215-0875010)

GPU Variant

Tahiti PRO (215-0821056)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

4.313 billion

160 mm²

Die Size

352 mm²

Board Design

100W

TDP

185W

300 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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