AMD Radeon HD 8870 OEM vs ATI FireGL V7700

VS

AMD Radeon HD 8870 OEM

ATI FireGL V7700

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 512MB VRAM FireGL V7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Released 5 years and 2 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 72.06GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +415%

2.56 TFLOPS

FireGL V7700

0.497 TFLOPS

Radeon HD 8870 OEM

VS

FireGL V7700

Graphics Card

Jan 2013

Release Date

Nov 2007

Sea Islands

Generation

FireGL

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1126 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

72.06GB/s

Render Config

20

Compute Units

4

-

1280

Shading Units

320

80

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

12.43 GPixel/s

80.00 GTexel/s

Texture Rate

12.43 GTexel/s

-

2.560 TFLOPS

FP32 (float)

497.3 GFLOPS

160.0 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

175W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x DisplayPort 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

RV670

Pitcairn XT (215-0828047)

GPU Variant

RV670 GL

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.666 billion

212 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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