AMD Radeon R5 235X OEM vs ATI Radeon HD 3870

VS

AMD Radeon R5 235X OEM

ATI Radeon HD 3870

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 235X OEM and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 235X OEM 's Advantages

Released 6 years and 1 months late

More VRAM (1024GB vs 512GB)

Lower TDP (18W vs 106W)

ATI Radeon HD 3870 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 14.40GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 235X OEM

0.28 TFLOPS

Radeon HD 3870 +77%

0.497 TFLOPS

Radeon R5 235X OEM

VS

Radeon HD 3870

Graphics Card

Dec 2013

Release Date

Nov 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR4

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

72.06GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

16

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

12.43 GPixel/s

7.000 GTexel/s

Texture Rate

12.43 GTexel/s

-

280.0 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

18W

TDP

106W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Caicos

GPU Name

RV670

Caicos XT (215-0804070)

GPU Variant

RV670 XT (215-0708005)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.666 billion

67 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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