AMD Radeon HD 7990 vs AMD Radeon HD 7950 Monica BIOS 1

VS

AMD Radeon HD 7990

AMD Radeon HD 7950 Monica BIOS 1

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 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 HD 7990 's Advantages

Released 1 years and 3 months late

Boost Clock1000MHz

Larger VRAM bandwidth (288.0GB/s vs 240.0GB/s)

512 additional rendering cores

AMD Radeon HD 7950 Monica BIOS 1 's Advantages

Lower TDP (185W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +44%

4.096 TFLOPS

Radeon HD 7950 Monica BIOS 1

2.842 TFLOPS

Radeon HD 7990

VS

Radeon HD 7950 Monica BIOS 1

Graphics Card

Apr 2013

Release Date

Jan 2012

Southern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

288.0GB/s

Bandwidth

240.0GB/s

Render Config

32

Compute Units

24

-

2048

Shading Units

1536

128

TMUs

96

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

29.60 GPixel/s

128.0 GTexel/s

Texture Rate

88.80 GTexel/s

-

4.096 TFLOPS

FP32 (float)

2.842 TFLOPS

1024 GFLOPS

FP64 (double)

710.4 GFLOPS

Board Design

375W

TDP

185W

750 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Malta

GPU Name

Tahiti

Malta XT (215-0849026)

GPU Variant

Tahiti PRO (215-0821056)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

4.313 billion

365 mm²

Die Size

352 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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