AMD Radeon HD 6770 vs AMD Radeon HD 7950 Monica BIOS 2

VS

AMD Radeon HD 6770 AMD Radeon HD 7950 Monica BIOS 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 3GB VRAM Radeon HD 7950 Monica BIOS 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

32 additional rendering cores

AMD Radeon HD 7950 Monica BIOS 2 's Advantages

Released 1 years late

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 76.80GB/s)

Lower TDP (85W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 6770 +10%

1.36 TFLOPS

Radeon HD 7950 Monica BIOS 2

1.229 TFLOPS

Radeon HD 6770

VS

Radeon HD 7950 Monica BIOS 2

Graphics Card

Jan 2011

Release Date

Jan 2012

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

76.80GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

10

Compute Units

12

800

Shading Units

768

40

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

25.60 GPixel/s

34.00 GTexel/s

Texture Rate

38.40 GTexel/s

-

FP16 (half)

-

1360 GFLOPS

FP32 (float)

1229 GFLOPS

-

FP64 (double)

307.2 GFLOPS

Graphics Processor

Juniper

GPU Name

Tahiti

Juniper XT (215-0754013)

GPU Variant

Tahiti PRO (215-0821056)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

4.313 billion

166 mm²

Die Size

352 mm²

Board Design

108W

TDP

85W

300 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

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

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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