NVIDIA GeForce 800A vs AMD Radeon HD 7770M

VS

NVIDIA GeForce 800A

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 800A 's Advantages

Released 1 years and 11 months late

Lower TDP (15W vs 32W)

AMD Radeon HD 7770M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

464 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 800A

0.091 TFLOPS

Radeon HD 7770M +659%

0.691 TFLOPS

GeForce 800A

VS

Radeon HD 7770M

Graphics Card

Mar 2014

Release Date

Apr 2012

GeForce 800A

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

8

1

SM Count

-

48

Shading Units

512

8

TMUs

32

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

10.80 GPixel/s

3.800 GTexel/s

Texture Rate

21.60 GTexel/s

-

91.20 GFLOPS

FP32 (float)

691.2 GFLOPS

7.600 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

15W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

Chelsea

-

GPU Variant

Chelsea XT

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

1.5 billion

79 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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