AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon R9 285

VS

AMD Radeon HD 7950 Monica BIOS 1

AMD Radeon R9 285

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 1 and 2GB VRAM Radeon R9 285 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 176.0GB/s)

Lower TDP (185W vs 190W)

AMD Radeon R9 285 's Advantages

Released 2 years and 8 months late

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950 Monica BIOS 1

2.842 TFLOPS

Radeon R9 285 +15%

3.29 TFLOPS

Radeon HD 7950 Monica BIOS 1

VS

Radeon R9 285

Graphics Card

Jan 2012

Release Date

Sep 2014

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

176.0GB/s

Render Config

24

Compute Units

28

-

1536

Shading Units

1792

96

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

29.38 GPixel/s

88.80 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

2.842 TFLOPS

FP32 (float)

3.290 TFLOPS

710.4 GFLOPS

FP64 (double)

205.6 GFLOPS

Board Design

185W

TDP

190W

450 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

Tonga

Tahiti PRO (215-0821056)

GPU Variant

Tonga PRO (215-0851128)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

5 billion

352 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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