NVIDIA GeForce GTX 850A vs AMD Radeon HD 6950M

VS

NVIDIA GeForce GTX 850A AMD Radeon HD 6950M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM Radeon HD 6950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 3 years and 2 months late

Boost Clock936MHz

More VRAM (2GB vs 1GB)

Lower TDP (45W vs 50W)

AMD Radeon HD 6950M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850A +7%

1.198 TFLOPS

Radeon HD 6950M

1.114 TFLOPS

GeForce GTX 850A

VS

Radeon HD 6950M

Graphics Card

Mar 2014

Release Date

Jan 2011

GeForce 800A

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

Compute Units

12

640

Shading Units

960

40

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

14.98 GPixel/s

Pixel Rate

18.56 GPixel/s

37.44 GTexel/s

Texture Rate

27.84 GTexel/s

-

FP16 (half)

-

1198 GFLOPS

FP32 (float)

1114 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Graphics Processor

GM107

GPU Name

Blackcomb

N15P-GT-A1

GPU Variant

Blackcomb PRO

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

1.7 billion

148 mm²

Die Size

212 mm²

Board Design

45W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

5.0

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