AMD Radeon HD 6990M vs NVIDIA GeForce 920A

VS

AMD Radeon HD 6990M

NVIDIA GeForce 920A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM GeForce 920A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 16.02GB/s)

736 additional rendering cores

NVIDIA GeForce 920A 's Advantages

Released 3 years and 8 months late

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +118%

1.602 TFLOPS

GeForce 920A

0.733 TFLOPS

Radeon HD 6990M

VS

GeForce 920A

Graphics Card

Jul 2011

Release Date

Mar 2015

Vancouver

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

900 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

16.02GB/s

Render Config

14

Compute Units

-

1120

Shading Units

384

56

TMUs

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

7.632 GPixel/s

40.04 GTexel/s

Texture Rate

30.53 GTexel/s

-

1.602 TFLOPS

FP32 (float)

732.7 GFLOPS

-

FP64 (double)

30.53 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

GK208B

Blackcomb XTX (216-0811030)

GPU Variant

N16V-GM

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

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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