AMD Radeon HD 7950 Monica BIOS 2 vs AMD Radeon HD 7870 GHz Edition

VS

AMD Radeon HD 7950 Monica BIOS 2

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 2 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Monica BIOS 2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 153.6GB/s)

Lower TDP (85W vs 175W)

AMD Radeon HD 7870 GHz Edition 's Advantages

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950 Monica BIOS 2

1.229 TFLOPS

Radeon HD 7870 GHz Edition +108%

2.56 TFLOPS

Radeon HD 7950 Monica BIOS 2

VS

Radeon HD 7870 GHz Edition

Graphics Card

Jan 2012

Release Date

Mar 2012

Southern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1200 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

153.6GB/s

Render Config

12

Compute Units

20

-

768

Shading Units

1280

48

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

32.00 GPixel/s

38.40 GTexel/s

Texture Rate

80.00 GTexel/s

-

1229 GFLOPS

FP32 (float)

2.560 TFLOPS

307.2 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

85W

TDP

175W

250 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

Pitcairn

Tahiti PRO (215-0821056)

GPU Variant

Pitcairn XT (215-0828047)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

2.8 billion

352 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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