AMD Radeon HD 7970 GHz Edition vs AMD Radeon R5 340 OEM

VS

AMD Radeon HD 7970 GHz Edition

AMD Radeon R5 340 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 1024MB VRAM Radeon R5 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages

Boost Clock has increased by 35% (1050MHz vs 780MHz)

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 36.80GB/s)

1664 additional rendering cores

AMD Radeon R5 340 OEM 's Advantages

Released 2 years and 11 months late

Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +618%

4.301 TFLOPS

Radeon R5 340 OEM

0.599 TFLOPS

Radeon HD 7970 GHz Edition

VS

Radeon R5 340 OEM

Graphics Card

Jun 2012

Release Date

May 2015

Southern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

730 MHz

1050 MHz

Boost Clock

780 MHz

1500 MHz

Memory Clock

1150 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

36.80GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

6.240 GPixel/s

134.4 GTexel/s

Texture Rate

18.72 GTexel/s

-

4.301 TFLOPS

FP32 (float)

599.0 GFLOPS

1075 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

300W

TDP

65W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Oland

Tahiti XT2 (215-0821065)

GPU Variant

Oland PRO (215-0837015)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

0.95 billion

352 mm²

Die Size

77 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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