AMD Radeon R5 340X OEM vs AMD Radeon HD 7850

VS

AMD Radeon R5 340X OEM

AMD Radeon HD 7850

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340X OEM 's Advantages

Released 3 years and 2 months late

Lower TDP (65W vs 130W)

AMD Radeon HD 7850 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 16.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM

0.691 TFLOPS

Radeon HD 7850 +154%

1.761 TFLOPS

Radeon R5 340X OEM

VS

Radeon HD 7850

Graphics Card

May 2015

Release Date

Mar 2012

Pirate Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

153.6GB/s

Render Config

6

Compute Units

16

-

384

Shading Units

1024

24

TMUs

64

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

27.52 GPixel/s

21.60 GTexel/s

Texture Rate

55.04 GTexel/s

-

691.2 GFLOPS

FP32 (float)

1.761 TFLOPS

43.20 GFLOPS

FP64 (double)

110.1 GFLOPS

Board Design

65W

TDP

130W

250 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Oland

GPU Name

Pitcairn

Oland XT (215-0837000)

GPU Variant

Pitcairn PRO (215-0828062)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

2.8 billion

77 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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