AMD Radeon HD 7990 vs NVIDIA A2

VS

AMD Radeon HD 7990 NVIDIA A2

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 200.1GB/s)

768 additional rendering cores

NVIDIA A2 's Advantages

Released 8 years and 7 months late

Boost Clock has increased by 77% (1770MHz vs 1000MHz)

More VRAM (16GB vs 3GB)

Lower TDP (60W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

A2 +10%

4.531 TFLOPS

Radeon HD 7990

VS

A2

Graphics Card

Apr 2013

Release Date

Nov 2021

Southern Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

950 MHz

Base Clock

1440 MHz

1000 MHz

Boost Clock

1770 MHz

1500 MHz

Memory Clock

1563 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

200.1GB/s

Render Config

-

SM Count

10

32

Compute Units

-

2048

Shading Units

1280

128

TMUs

40

32

ROPs

32

-

Tensor Cores

40

-

RT Cores

10

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

2 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

56.64 GPixel/s

128.0 GTexel/s

Texture Rate

70.80 GTexel/s

-

FP16 (half)

4.531 TFLOPS

4.096 TFLOPS

FP32 (float)

4.531 TFLOPS

1024 GFLOPS

FP64 (double)

70.80 GFLOPS

Graphics Processor

Malta

GPU Name

GA107

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

Unknown

365 mm²

Die Size

Unknown

Board Design

375W

TDP

60W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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