AMD Radeon HD 7750 vs NVIDIA GeForce 8400 GS PCI

VS

AMD Radeon HD 7750

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 512MB VRAM GeForce 8400 GS PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7750 's Advantages

Released 4 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 5.328GB/s)

504 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 55W)

Score

Benchmark

FP32 (float)

Radeon HD 7750 +3622%

0.819 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

Radeon HD 7750

VS

GeForce 8400 GS PCI

Graphics Card

Feb 2012

Release Date

Dec 2007

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

-

1125 MHz

Memory Clock

333 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

5.328GB/s

Render Config

8

Compute Units

-

SM Count

1

512

Shading Units

8

32

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

2.268 GPixel/s

25.60 GTexel/s

Texture Rate

2.268 GTexel/s

-

819.2 GFLOPS

FP32 (float)

22.40 GFLOPS

51.20 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

25W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x S-Video 1x DMS-59

None

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

G98

Cape Verde PRO

GPU Variant

G98-400-U2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.5 billion

Transistors

0.21 billion

123 mm²

Die Size

86 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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