AMD Radeon R5 235X OEM vs AMD Radeon HD 7870 XT

VS

AMD Radeon R5 235X OEM

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 235X OEM and 2GB VRAM Radeon HD 7870 XT 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 1 years and 1 months late

Lower TDP (18W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Boost Clock975MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.0GB/s vs 14.40GB/s)

1376 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 235X OEM

0.28 TFLOPS

Radeon HD 7870 XT +969%

2.995 TFLOPS

Radeon R5 235X OEM

VS

Radeon HD 7870 XT

Graphics Card

Dec 2013

Release Date

Nov 2012

Volcanic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

900 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

192.0GB/s

Render Config

2

Compute Units

24

-

160

Shading Units

1536

8

TMUs

96

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

31.20 GPixel/s

7.000 GTexel/s

Texture Rate

93.60 GTexel/s

-

280.0 GFLOPS

FP32 (float)

2.995 TFLOPS

-

FP64 (double)

748.8 GFLOPS

Board Design

18W

TDP

185W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Caicos

GPU Name

Tahiti

Caicos XT (215-0804070)

GPU Variant

Tahiti LE (215-0821122)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

4.313 billion

67 mm²

Die Size

352 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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