AMD Radeon HD 6990M vs NVIDIA GeForce GTX 980 Mobile

VS

AMD Radeon HD 6990M NVIDIA GeForce GTX 980 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 8GB VRAM GeForce GTX 980 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 Mobile 's Advantages

Released 4 years and 2 months late

Boost Clock1140MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 115.2GB/s)

928 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

GeForce GTX 980 Mobile +191%

4.669 TFLOPS

Radeon HD 6990M

VS

GeForce GTX 980 Mobile

Graphics Card

Jul 2011

Release Date

Sep 2015

Vancouver

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1064 MHz

-

Boost Clock

1140 MHz

900 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

224.4GB/s

Render Config

-

SM Count

-

14

Compute Units

-

1120

Shading Units

2048

56

TMUs

128

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

2 MB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

72.96 GPixel/s

40.04 GTexel/s

Texture Rate

145.9 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

4.669 TFLOPS

-

FP64 (double)

145.9 GFLOPS

Graphics Processor

Blackcomb

GPU Name

GM204

Blackcomb XTX (216-0811030)

GPU Variant

N16E-GXX-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

5.2 billion

212 mm²

Die Size

398 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.7 (6.4)

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