AMD Radeon HD 8990 OEM vs NVIDIA CMP 40HX

VS

AMD Radeon HD 8990 OEM

NVIDIA CMP 40HX

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 8GB VRAM CMP 40HX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA CMP 40HX 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 65% (1650MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (448.0GB/s vs 288.0GB/s)

256 additional rendering cores

Lower TDP (185W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM

4.096 TFLOPS

CMP 40HX +85%

7.603 TFLOPS

Radeon HD 8990 OEM

VS

CMP 40HX

Graphics Card

Apr 2013

Release Date

Feb 2021

Sea Islands

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

1470 MHz

1000 MHz

Boost Clock

1650 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

448.0GB/s

Render Config

32

Compute Units

-

SM Count

36

2048

Shading Units

2304

128

TMUs

144

32

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

105.6 GPixel/s

128.0 GTexel/s

Texture Rate

237.6 GTexel/s

-

FP16 (half)

15.21 TFLOPS

4.096 TFLOPS

FP32 (float)

7.603 TFLOPS

1024 GFLOPS

FP64 (double)

237.6 GFLOPS

Board Design

375W

TDP

185W

750 W

Suggested PSU

450 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

No outputs

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Malta

GPU Name

TU106

Malta XT (215-0849026)

GPU Variant

TU106-100-A1

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

4.313 billion

Transistors

10.8 billion

365 mm²

Die Size

445 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

7.5

5.1

Shader Model

6.6

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