NVIDIA GeForce GTX 980 vs AMD Radeon HD 7850

VS

NVIDIA GeForce GTX 980

AMD Radeon HD 7850

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Released 2 years and 6 months late

Boost Clock1216MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 153.6GB/s)

1024 additional rendering cores

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 165W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 +182%

4.981 TFLOPS

Radeon HD 7850

1.761 TFLOPS

3DMark Time Spy

GeForce GTX 980 +229%

4322

Radeon HD 7850

1312

GeForce GTX 980

VS

Radeon HD 7850

Graphics Card

Sep 2014

Release Date

Mar 2012

GeForce 900

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1127 MHz

Base Clock

-

1216 MHz

Boost Clock

-

1753 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.4GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

16

-

2048

Shading Units

1024

128

TMUs

64

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

77.82 GPixel/s

Pixel Rate

27.52 GPixel/s

155.6 GTexel/s

Texture Rate

55.04 GTexel/s

-

4.981 TFLOPS

FP32 (float)

1.761 TFLOPS

155.6 GFLOPS

FP64 (double)

110.1 GFLOPS

Board Design

165W

TDP

130W

450 W

Suggested PSU

300 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GM204

GPU Name

Pitcairn

GM204-400-A1

GPU Variant

Pitcairn PRO (215-0828062)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

2.8 billion

398 mm²

Die Size

212 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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