AMD Radeon HD 7770 GHz Edition vs ATI FireGL V8650

VS

AMD Radeon HD 7770 GHz Edition

ATI FireGL V8650

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 2GB VRAM FireGL V8650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 4 years and 6 months late

320 additional rendering cores

ATI FireGL V8650 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (111.1GB/s vs 72.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition +190%

1.28 TFLOPS

FireGL V8650

0.44 TFLOPS

Radeon HD 7770 GHz Edition

VS

FireGL V8650

Graphics Card

Feb 2012

Release Date

Aug 2007

Southern Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

868 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR4

128bit

Memory Bus

512bit

72.00GB/s

Bandwidth

111.1GB/s

Render Config

10

Compute Units

4

-

640

Shading Units

320

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

11.01 GPixel/s

40.00 GTexel/s

Texture Rate

11.01 GTexel/s

-

1280 GFLOPS

FP32 (float)

440.3 GFLOPS

80.00 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

Unknown

250 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cape Verde

GPU Name

R600

Cape Verde XT

GPU Variant

R600 V8650 (215RGIDKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.5 billion

Transistors

0.72 billion

123 mm²

Die Size

420 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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