AMD Radeon R7 340 OEM vs AMD Radeon HD 7950 Monica BIOS 2

VS

AMD Radeon R7 340 OEM

AMD Radeon HD 7950 Monica BIOS 2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM and 3GB VRAM Radeon HD 7950 Monica BIOS 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 340 OEM 's Advantages

Released 3 years and 4 months late

Boost Clock780MHz

Lower TDP (50W vs 85W)

AMD Radeon HD 7950 Monica BIOS 2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 64.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 340 OEM

0.599 TFLOPS

Radeon HD 7950 Monica BIOS 2 +105%

1.229 TFLOPS

Radeon R7 340 OEM

VS

Radeon HD 7950 Monica BIOS 2

Graphics Card

May 2015

Release Date

Jan 2012

Pirate Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

1000 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

240.0GB/s

Render Config

6

Compute Units

12

-

384

Shading Units

768

24

TMUs

48

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

25.60 GPixel/s

18.72 GTexel/s

Texture Rate

38.40 GTexel/s

-

599.0 GFLOPS

FP32 (float)

1229 GFLOPS

37.44 GFLOPS

FP64 (double)

307.2 GFLOPS

Board Design

50W

TDP

85W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Oland

GPU Name

Tahiti

-

GPU Variant

Tahiti PRO (215-0821056)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

4.313 billion

77 mm²

Die Size

352 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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