AMD Radeon HD 6970 vs AMD Radeon R7 340 OEM

VS

AMD Radeon HD 6970

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 2GB VRAM Radeon R7 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 64.00GB/s)

1152 additional rendering cores

AMD Radeon R7 340 OEM 's Advantages

Released 4 years and 5 months late

Boost Clock780MHz

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +351%

2.703 TFLOPS

Radeon R7 340 OEM

0.599 TFLOPS

Radeon HD 6970

VS

Radeon R7 340 OEM

Graphics Card

Dec 2010

Release Date

May 2015

Northern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

64.00GB/s

Render Config

24

Compute Units

6

-

1536

Shading Units

384

96

TMUs

24

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

6.240 GPixel/s

84.48 GTexel/s

Texture Rate

18.72 GTexel/s

-

2.703 TFLOPS

FP32 (float)

599.0 GFLOPS

675.8 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

Oland

Cayman XT (215-0807007)

GPU Variant

-

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

0.95 billion

389 mm²

Die Size

77 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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