NVIDIA GeForce 9800M GTX vs AMD Radeon HD 7870M

VS

NVIDIA GeForce 9800M GTX

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 9800M GTX and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870M 's Advantages

Released 3 years and 9 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 51.20GB/s)

528 additional rendering cores

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

GeForce 9800M GTX

0.28 TFLOPS

Radeon HD 7870M +265%

1.024 TFLOPS

GeForce 9800M GTX

VS

Radeon HD 7870M

Graphics Card

Jul 2008

Release Date

Apr 2012

GeForce 9M

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

14

SM Count

-

112

Shading Units

640

56

TMUs

40

16

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

12.80 GPixel/s

28.00 GTexel/s

Texture Rate

32.00 GTexel/s

-

280.0 GFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Board Design

75W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

G92

GPU Name

Heathrow

NB9E-GTX

GPU Variant

Heathrow XT (216-0835033)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.754 billion

Transistors

1.5 billion

324 mm²

Die Size

123 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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