AMD Radeon HD 6990M vs NVIDIA GeForce 825M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

736 additional rendering cores

NVIDIA GeForce 825M 's Advantages

Released 2 years and 6 months late

Boost Clock941MHz

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +121%

1.602 TFLOPS

GeForce 825M

0.723 TFLOPS

Radeon HD 6990M

VS

GeForce 825M

Graphics Card

Jul 2011

Release Date

Jan 2014

Vancouver

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

941 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

14

Compute Units

-

1120

Shading Units

384

56

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

7.528 GPixel/s

40.04 GTexel/s

Texture Rate

30.11 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

722.7 GFLOPS

-

FP64 (double)

30.11 GFLOPS

Graphics Processor

Blackcomb

GPU Name

GK208

Blackcomb XTX (216-0811030)

GPU Variant

-

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.02 billion

212 mm²

Die Size

87 mm²

Board Design

100W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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