NVIDIA GeForce GTX 980 vs AMD Radeon R7 340 OEM

VS

NVIDIA GeForce GTX 980

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 2GB VRAM Radeon R7 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Boost Clock has increased by 56% (1216MHz vs 780MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 64.00GB/s)

1664 additional rendering cores

AMD Radeon R7 340 OEM 's Advantages

Released 8 months late

Lower TDP (50W vs 165W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 +731%

4.981 TFLOPS

Radeon R7 340 OEM

0.599 TFLOPS

GeForce GTX 980

VS

Radeon R7 340 OEM

Graphics Card

Sep 2014

Release Date

May 2015

GeForce 900

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1127 MHz

Base Clock

730 MHz

1216 MHz

Boost Clock

780 MHz

1753 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.4GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

2048

Shading Units

384

128

TMUs

24

64

ROPs

8

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

77.82 GPixel/s

Pixel Rate

6.240 GPixel/s

155.6 GTexel/s

Texture Rate

18.72 GTexel/s

-

4.981 TFLOPS

FP32 (float)

599.0 GFLOPS

155.6 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

165W

TDP

50W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GM204

GPU Name

Oland

GM204-400-A1

GPU Variant

-

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

0.95 billion

398 mm²

Die Size

77 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

5.1

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