AMD Radeon HD 7990 vs NVIDIA CMP 90HX

VS

AMD Radeon HD 7990

NVIDIA CMP 90HX

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 10GB VRAM CMP 90HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 90HX 's Advantages

Released 8 years and 3 months late

Boost Clock has increased by 71% (1710MHz vs 1000MHz)

More VRAM (10GB vs 3GB)

Larger VRAM bandwidth (760.3GB/s vs 288.0GB/s)

4352 additional rendering cores

Lower TDP (320W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990

4.096 TFLOPS

CMP 90HX +434%

21.89 TFLOPS

Radeon HD 7990

VS

CMP 90HX

Graphics Card

Apr 2013

Release Date

Jul 2021

Southern Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

950 MHz

Base Clock

1500 MHz

1000 MHz

Boost Clock

1710 MHz

1500 MHz

Memory Clock

1188 MHz

Memory

3GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

320bit

288.0GB/s

Bandwidth

760.3GB/s

Render Config

32

Compute Units

-

SM Count

50

2048

Shading Units

6400

128

TMUs

200

32

ROPs

80

-

Tensor Cores

200

-

RT Cores

50

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

5 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

136.8 GPixel/s

128.0 GTexel/s

Texture Rate

342.0 GTexel/s

-

FP16 (half)

21.89 TFLOPS

4.096 TFLOPS

FP32 (float)

21.89 TFLOPS

1024 GFLOPS

FP64 (double)

342.0 GFLOPS

Board Design

375W

TDP

320W

750 W

Suggested PSU

700 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Malta

GPU Name

GA102

Malta XT (215-0849026)

GPU Variant

GA102-100-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

4.313 billion

Transistors

28.3 billion

365 mm²

Die Size

628 mm²

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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