AMD Radeon HD 7990 vs NVIDIA GeForce GT 630 Rev. 2

VS

AMD Radeon HD 7990 NVIDIA GeForce GT 630 Rev. 2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 2GB VRAM GeForce GT 630 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 14.40GB/s)

1664 additional rendering cores

NVIDIA GeForce GT 630 Rev. 2 's Advantages

Lower TDP (25W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +491%

4.096 TFLOPS

GeForce GT 630 Rev. 2

0.693 TFLOPS

Radeon HD 7990

VS

GeForce GT 630 Rev. 2

Graphics Card

Apr 2013

Release Date

May 2013

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

384

128

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

512 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

7.216 GPixel/s

128.0 GTexel/s

Texture Rate

28.86 GTexel/s

-

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

692.7 GFLOPS

1024 GFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

Malta

GPU Name

GK208

Malta XT (215-0849026)

GPU Variant

GK208-301-A1

GCN 1.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.02 billion

365 mm²

Die Size

87 mm²

Board Design

375W

TDP

25W

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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