AMD Radeon HD 7850M vs NVIDIA GeForce GTX 485M

VS

AMD Radeon HD 7850M

NVIDIA GeForce GTX 485M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 2GB VRAM GeForce GTX 485M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

Released 1 years and 3 months late

256 additional rendering cores

Lower TDP (40W vs 100W)

NVIDIA GeForce GTX 485M 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7850M

0.864 TFLOPS

GeForce GTX 485M +2%

0.883 TFLOPS

Radeon HD 7850M

VS

GeForce GTX 485M

Graphics Card

Apr 2012

Release Date

Jan 2011

London

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

-

SM Count

8

640

Shading Units

384

40

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

9.200 GPixel/s

27.00 GTexel/s

Texture Rate

36.80 GTexel/s

-

864.0 GFLOPS

FP32 (float)

883.2 GFLOPS

54.00 GFLOPS

FP64 (double)

73.60 GFLOPS

Board Design

40W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Heathrow

GPU Name

GF104

Heathrow PRO

GPU Variant

N12E-GTX-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.95 billion

123 mm²

Die Size

332 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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