ATI Radeon HD 3870 Mac Edition vs AMD Radeon R7 435 OEM

VS

ATI Radeon HD 3870 Mac Edition

AMD Radeon R7 435 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 2GB VRAM Radeon R7 435 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 16.00GB/s)

AMD Radeon R7 435 OEM 's Advantages

Released 8 years late

More VRAM (2GB vs 512GB)

Lower TDP (50W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon R7 435 OEM +18%

0.589 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon R7 435 OEM

Graphics Card

Jun 2008

Release Date

Jun 2016

Radeon R600

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1126 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR4

Memory Type

DDR3

256bit

Memory Bus

64bit

72.06GB/s

Bandwidth

16.00GB/s

Render Config

4

Compute Units

5

-

320

Shading Units

320

16

TMUs

20

16

ROPs

8

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

7.360 GPixel/s

12.43 GTexel/s

Texture Rate

18.40 GTexel/s

-

497.3 GFLOPS

FP32 (float)

588.8 GFLOPS

99.46 GFLOPS

FP64 (double)

36.80 GFLOPS

Board Design

106W

TDP

50W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

Oland

RV670 XT (215-0708005)

GPU Variant

-

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

0.95 billion

192 mm²

Die Size

77 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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