AMD Radeon HD 7950 Monica BIOS 2 vs NVIDIA GeForce 8400 GS Rev. 2

VS

AMD Radeon HD 7950 Monica BIOS 2

NVIDIA GeForce 8400 GS Rev. 2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Monica BIOS 2 and 512MB VRAM GeForce 8400 GS Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Monica BIOS 2 's Advantages

Released 4 years and 1 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 6.400GB/s)

760 additional rendering cores

NVIDIA GeForce 8400 GS Rev. 2 's Advantages

Lower TDP (25W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 Monica BIOS 2 +5486%

1.229 TFLOPS

GeForce 8400 GS Rev. 2

0.022 TFLOPS

Radeon HD 7950 Monica BIOS 2

VS

GeForce 8400 GS Rev. 2

Graphics Card

Jan 2012

Release Date

Dec 2007

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

400 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

6.400GB/s

Render Config

12

Compute Units

-

SM Count

1

768

Shading Units

8

48

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

16 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

2.268 GPixel/s

38.40 GTexel/s

Texture Rate

2.268 GTexel/s

-

1229 GFLOPS

FP32 (float)

22.40 GFLOPS

307.2 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

25W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

G98

Tahiti PRO (215-0821056)

GPU Variant

-

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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