NVIDIA GeForce 845M vs AMD Radeon HD 6770M

VS

We compared two Mobile platform GPUs: 2GB VRAM GeForce 845M and 1024MB VRAM Radeon HD 6770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 845M 's Advantages

Released 4 years and 7 months late

Boost Clock1176MHz

More VRAM (2GB vs 1GB)

Lower TDP (33W vs 35W)

AMD Radeon HD 6770M 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 40.10GB/s)

96 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 845M +29%

0.903 TFLOPS

Radeon HD 6770M

0.696 TFLOPS

GeForce 845M

VS

Radeon HD 6770M

Graphics Card

Aug 2015

Release Date

Jan 2011

GeForce 800M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1071 MHz

Base Clock

-

1176 MHz

Boost Clock

-

1253 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

40.10GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

-

Compute Units

6

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

5.800 GPixel/s

37.63 GTexel/s

Texture Rate

17.40 GTexel/s

-

FP16 (half)

-

903.2 GFLOPS

FP32 (float)

696.0 GFLOPS

28.22 GFLOPS

FP64 (double)

-

Graphics Processor

GM108

GPU Name

Whistler

-

GPU Variant

Whistler XT (216-0810001)

Maxwell

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.716 billion

Unknown

Die Size

104 mm²

Board Design

33W

TDP

35W

-

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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