AMD Radeon HD 8770M vs NVIDIA GeForce GT 625M

VS

AMD Radeon HD 8770M

NVIDIA GeForce GT 625M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 2GB VRAM GeForce GT 625M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Released 6 months late

Boost Clock825MHz

Larger VRAM bandwidth (72.00GB/s vs 14.40GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M +163%

0.633 TFLOPS

GeForce GT 625M

0.24 TFLOPS

Radeon HD 8770M

VS

GeForce GT 625M

Graphics Card

Apr 2013

Release Date

Oct 2012

Solar System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

775 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

SM Count

2

384

Shading Units

96

24

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

2.500 GPixel/s

19.80 GTexel/s

Texture Rate

10.00 GTexel/s

-

633.6 GFLOPS

FP32 (float)

240.0 GFLOPS

39.60 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

GF117

Mars S3 XT (216-0842018)

GPU Variant

N13M-GS-B-A2

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

0.585 billion

77 mm²

Die Size

116 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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