NVIDIA GeForce 9800 GX2 vs AMD Radeon HD 7990

VS

NVIDIA GeForce 9800 GX2

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 512MB VRAM GeForce 9800 GX2 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 9800 GX2 's Advantages

Lower TDP (197W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 5 years and 1 months late

Boost Clock1000MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 64.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9800 GX2

0.384 TFLOPS

Radeon HD 7990 +966%

4.096 TFLOPS

GeForce 9800 GX2

VS

Radeon HD 7990

Graphics Card

Mar 2008

Release Date

Apr 2013

GeForce 9

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

Memory Clock

1500 MHz

Memory

512MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

384bit

64.00GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

16

SM Count

-

128

Shading Units

2048

64

TMUs

128

16

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

768 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

32.00 GPixel/s

38.40 GTexel/s

Texture Rate

128.0 GTexel/s

-

384.0 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Board Design

197W

TDP

375W

450 W

Suggested PSU

750 W

2x DVI 1x HDMI

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

G92

GPU Name

Malta

G92-450-A2

GPU Variant

Malta XT (215-0849026)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.754 billion

Transistors

4.313 billion

324 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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