ATI Radeon HD 4870 Mac Edition vs ATI FirePro 2270 PCIe x1

VS

ATI Radeon HD 4870 Mac Edition ATI FirePro 2270 PCIe x1

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 512MB VRAM FirePro 2270 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 9.600GB/s)

720 additional rendering cores

ATI FirePro 2270 PCIe x1 's Advantages

Released 2 years late

Lower TDP (15W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +1150%

1.2 TFLOPS

FirePro 2270 PCIe x1

0.096 TFLOPS

Radeon HD 4870 Mac Edition

VS

FirePro 2270 PCIe x1

Graphics Card

Jan 2009

Release Date

Jan 2011

Radeon R700

Generation

FirePro Multi-View

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

108.8GB/s

Bandwidth

9.600GB/s

Render Config

-

SM Count

-

10

Compute Units

1

800

Shading Units

80

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

2.400 GPixel/s

30.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

96.00 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Graphics Processor

RV770

GPU Name

Cedar

RV770 XT Mac (215-0669080)

GPU Variant

Cedar WS

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.292 billion

256 mm²

Die Size

59 mm²

Board Design

150W

TDP

15W

450 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DMS-59

2x 6-pin

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

5.0

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