ATI Mobility Radeon HD 4850 X2 vs NVIDIA GeForce 820A

VS

ATI Mobility Radeon HD 4850 X2

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 14.40GB/s)

704 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Released 5 years and 2 months late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2 +168%

0.8 TFLOPS

GeForce 820A

0.298 TFLOPS

Mobility Radeon HD 4850 X2

VS

GeForce 820A

Graphics Card

Jan 2009

Release Date

Mar 2014

M9x

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

89.60GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

-

SM Count

2

800

Shading Units

96

40

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

3.100 GPixel/s

20.00 GTexel/s

Texture Rate

12.40 GTexel/s

-

800.0 GFLOPS

FP32 (float)

297.6 GFLOPS

160.0 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M98

GPU Name

GF117

M98 L2 (216-0732019)

GPU Variant

N15V-GM

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

0.585 billion

256 mm²

Die Size

116 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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