AMD Radeon HD 7720 OEM vs AMD Radeon HD 7770 GHz Edition

VS

AMD Radeon HD 7720 OEM AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM 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 7720 OEM 's Advantages

Released 1 years and 1 months late

Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)

160 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Lower TDP (80W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 7720 OEM +5%

1.344 TFLOPS

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon HD 7720 OEM

VS

Radeon HD 7770 GHz Edition

Graphics Card

Mar 2013

Release Date

Feb 2012

Southern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

10

Compute Units

10

800

Shading Units

640

40

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

26.88 GPixel/s

Pixel Rate

16.00 GPixel/s

33.60 GTexel/s

Texture Rate

40.00 GTexel/s

-

FP16 (half)

-

1344 GFLOPS

FP32 (float)

1280 GFLOPS

-

FP64 (double)

80.00 GFLOPS

Graphics Processor

Barts

GPU Name

Cape Verde

Barts LE (215-0798002)

GPU Variant

Cape Verde XT

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.5 billion

255 mm²

Die Size

123 mm²

Board Design

150W

TDP

80W

450 W

Suggested PSU

250 W

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

Outputs

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

-

Power Connectors

1x 6-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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