AMD Radeon HD 7950 Monica BIOS 2 vs AMD Radeon HD 7770 GHz Edition

VS

AMD Radeon HD 7950 Monica BIOS 2

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 2 and 1024MB VRAM Radeon HD 7770 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 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 72.00GB/s)

128 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Monica BIOS 2

1.229 TFLOPS

Radeon HD 7770 GHz Edition +4%

1.28 TFLOPS

Radeon HD 7950 Monica BIOS 2

VS

Radeon HD 7770 GHz Edition

Graphics Card

Jan 2012

Release Date

Feb 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

1125 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

72.00GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

640

48

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

16.00 GPixel/s

38.40 GTexel/s

Texture Rate

40.00 GTexel/s

-

1229 GFLOPS

FP32 (float)

1280 GFLOPS

307.2 GFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

85W

TDP

80W

250 W

Suggested PSU

250 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

1x 6-pin

Graphics Processor

Tahiti

GPU Name

Cape Verde

Tahiti PRO (215-0821056)

GPU Variant

Cape Verde XT

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.5 billion

352 mm²

Die Size

123 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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