NVIDIA GeForce 8300 GS vs AMD Radeon HD 7990

VS

NVIDIA GeForce 8300 GS

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8300 GS and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8300 GS 's Advantages

Lower TDP (40W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 6 years late

Boost Clock1000MHz

More VRAM (3GB vs 128GB)

Larger VRAM bandwidth (288.0GB/s vs 6.400GB/s)

2040 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8300 GS

0.015 TFLOPS

Radeon HD 7990 +27206%

4.096 TFLOPS

GeForce 8300 GS

VS

Radeon HD 7990

Graphics Card

Apr 2007

Release Date

Apr 2013

GeForce 8

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

400 MHz

Memory Clock

1500 MHz

Memory

128MB

Memory Size

3GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

6.400GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

1

SM Count

-

8

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

768 KB

-

Theoretical Performance

1.836 GPixel/s

Pixel Rate

32.00 GPixel/s

3.672 GTexel/s

Texture Rate

128.0 GTexel/s

-

14.69 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Board Design

40W

TDP

375W

200 W

Suggested PSU

750 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

G86

GPU Name

Malta

-

GPU Variant

Malta XT (215-0849026)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

4.313 billion

127 mm²

Die Size

365 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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