AMD Radeon HD 7790 vs NVIDIA GeForce GTX 980

VS

AMD Radeon HD 7790 NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 165W)

NVIDIA GeForce GTX 980 's Advantages

Released 1 years and 6 months late

Boost Clock1216MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (224.4GB/s vs 96.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

GeForce GTX 980 +177%

4.981 TFLOPS

Radeon HD 7790

VS

GeForce GTX 980

Graphics Card

Mar 2013

Release Date

Sep 2014

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1127 MHz

-

Boost Clock

1216 MHz

1500 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

96.00GB/s

Bandwidth

224.4GB/s

Render Config

-

SM Count

-

14

Compute Units

-

896

Shading Units

2048

56

TMUs

128

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

77.82 GPixel/s

56.00 GTexel/s

Texture Rate

155.6 GTexel/s

-

FP16 (half)

-

1.792 TFLOPS

FP32 (float)

4.981 TFLOPS

112.0 GFLOPS

FP64 (double)

155.6 GFLOPS

Graphics Processor

Bonaire

GPU Name

GM204

Bonaire XT (215-0839039)

GPU Variant

GM204-400-A1

GCN 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

5.2 billion

160 mm²

Die Size

398 mm²

Board Design

85W

TDP

165W

250 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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

6.3

Shader Model

6.4

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