AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 980

VS

AMD Radeon HD 7870 XT NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Released 1 years and 10 months late

Boost Clock has increased by 25% (1216MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 192.0GB/s)

512 additional rendering cores

Lower TDP (165W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

GeForce GTX 980 +66%

4.981 TFLOPS

Radeon HD 7870 XT

VS

GeForce GTX 980

Graphics Card

Nov 2012

Release Date

Sep 2014

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1127 MHz

975 MHz

Boost Clock

1216 MHz

1500 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

224.4GB/s

Render Config

-

SM Count

-

24

Compute Units

-

1536

Shading Units

2048

96

TMUs

128

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

2 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

77.82 GPixel/s

93.60 GTexel/s

Texture Rate

155.6 GTexel/s

-

FP16 (half)

-

2.995 TFLOPS

FP32 (float)

4.981 TFLOPS

748.8 GFLOPS

FP64 (double)

155.6 GFLOPS

Graphics Processor

Tahiti

GPU Name

GM204

Tahiti LE (215-0821122)

GPU Variant

GM204-400-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

5.2 billion

352 mm²

Die Size

398 mm²

Board Design

185W

TDP

165W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

5.1

Shader Model

6.4

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