AMD Radeon HD 7950 Monica BIOS 1 vs NVIDIA GeForce 8400 GS PCI

VS

AMD Radeon HD 7950 Monica BIOS 1

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 1 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 7950 Monica BIOS 1 's Advantages

Released 4 years and 1 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 5.328GB/s)

1528 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Monica BIOS 1 +12818%

2.842 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

Radeon HD 7950 Monica BIOS 1

VS

GeForce 8400 GS PCI

Graphics Card

Jan 2012

Release Date

Dec 2007

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

-

1250 MHz

Memory Clock

333 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

5.328GB/s

Render Config

24

Compute Units

-

SM Count

1

1536

Shading Units

8

96

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

16 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.268 GPixel/s

88.80 GTexel/s

Texture Rate

2.268 GTexel/s

-

2.842 TFLOPS

FP32 (float)

22.40 GFLOPS

710.4 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

25W

450 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x S-Video 1x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

G98

Tahiti PRO (215-0821056)

GPU Variant

G98-400-U2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

4.313 billion

Transistors

0.21 billion

352 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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